Home / 4,369.24-6,554.82-1,291.48

Finding the Fourth Proportional to 4,369.24, 6,554.82 and 1,291.48

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Solution

The fourth proportional to 4,369.24, 6,554.82 and 1,291.48 is: 1,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.24 : 6,554.82 = 1,291.48 : x
  2. Step 2: Convert to fraction form
    4,369.24/6,554.82 = 1,291.48/x
  3. Step 3: Cross multiply
    4,369.24x = 6,554.82 × 1,291.48
  4. Step 4: Simplify right side
    4,369.24x = 8,465,418.93
  5. Step 5: Solve for x
    x = 8,465,418.93/4,369.24
  6. Step 6: Final answer
    x = 1,937.50

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Double scale
Find fourth proportional to 4,370.24, 6,556.32 and 1,292.48
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.