Home / 7,648.82-10,554.68-4,291.18

Finding the Fourth Proportional to 7,648.82, 10,554.68 and 4,291.18

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Solution

The fourth proportional to 7,648.82, 10,554.68 and 4,291.18 is: 5,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.82 : 10,554.68 = 4,291.18 : x
  2. Step 2: Convert to fraction form
    7,648.82/10,554.68 = 4,291.18/x
  3. Step 3: Cross multiply
    7,648.82x = 10,554.68 × 4,291.18
  4. Step 4: Simplify right side
    7,648.82x = 45,292,031.72
  5. Step 5: Solve for x
    x = 45,292,031.72/7,648.82
  6. Step 6: Final answer
    x = 5,921.44

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Half scale
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Double scale
Find fourth proportional to 7,649.82, 10,556.06 and 4,292.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.