Home / 7,389.55-11,088.46-3,926.71

Finding the Fourth Proportional to 7,389.55, 11,088.46 and 3,926.71

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Solution

The fourth proportional to 7,389.55, 11,088.46 and 3,926.71 is: 5,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.55 : 11,088.46 = 3,926.71 : x
  2. Step 2: Convert to fraction form
    7,389.55/11,088.46 = 3,926.71/x
  3. Step 3: Cross multiply
    7,389.55x = 11,088.46 × 3,926.71
  4. Step 4: Simplify right side
    7,389.55x = 43,541,166.77
  5. Step 5: Solve for x
    x = 43,541,166.77/7,389.55
  6. Step 6: Final answer
    x = 5,892.26

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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.