Home / 7,639.18-11,439.32-5,034.22

Finding the Fourth Proportional to 7,639.18, 11,439.32 and 5,034.22

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Solution

The fourth proportional to 7,639.18, 11,439.32 and 5,034.22 is: 7,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.18 : 11,439.32 = 5,034.22 : x
  2. Step 2: Convert to fraction form
    7,639.18/11,439.32 = 5,034.22/x
  3. Step 3: Cross multiply
    7,639.18x = 11,439.32 × 5,034.22
  4. Step 4: Simplify right side
    7,639.18x = 57,588,053.53
  5. Step 5: Solve for x
    x = 57,588,053.53/7,639.18
  6. Step 6: Final answer
    x = 7,538.51

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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.