Home / 5,351.19-7,387.23-3,561.65

Finding the Fourth Proportional to 5,351.19, 7,387.23 and 3,561.65

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Solution

The fourth proportional to 5,351.19, 7,387.23 and 3,561.65 is: 4,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.19 : 7,387.23 = 3,561.65 : x
  2. Step 2: Convert to fraction form
    5,351.19/7,387.23 = 3,561.65/x
  3. Step 3: Cross multiply
    5,351.19x = 7,387.23 × 3,561.65
  4. Step 4: Simplify right side
    5,351.19x = 26,310,681.02
  5. Step 5: Solve for x
    x = 26,310,681.02/5,351.19
  6. Step 6: Final answer
    x = 4,916.79

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Double scale
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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.