Home / 7,648.19-10,554.57-4,291.07

Finding the Fourth Proportional to 7,648.19, 10,554.57 and 4,291.07

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Solution

The fourth proportional to 7,648.19, 10,554.57 and 4,291.07 is: 5,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.19 : 10,554.57 = 4,291.07 : x
  2. Step 2: Convert to fraction form
    7,648.19/10,554.57 = 4,291.07/x
  3. Step 3: Cross multiply
    7,648.19x = 10,554.57 × 4,291.07
  4. Step 4: Simplify right side
    7,648.19x = 45,290,398.69
  5. Step 5: Solve for x
    x = 45,290,398.69/7,648.19
  6. Step 6: Final answer
    x = 5,921.71

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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.