Home / 7,359.27-10,155.58-4,172.87

Finding the Fourth Proportional to 7,359.27, 10,155.58 and 4,172.87

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Solution

The fourth proportional to 7,359.27, 10,155.58 and 4,172.87 is: 5,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.27 : 10,155.58 = 4,172.87 : x
  2. Step 2: Convert to fraction form
    7,359.27/10,155.58 = 4,172.87/x
  3. Step 3: Cross multiply
    7,359.27x = 10,155.58 × 4,172.87
  4. Step 4: Simplify right side
    7,359.27x = 42,377,904.68
  5. Step 5: Solve for x
    x = 42,377,904.68/7,359.27
  6. Step 6: Final answer
    x = 5,758.44

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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.