Home / 7,340.85-10,134.90-5,658.89

Finding the Fourth Proportional to 7,340.85, 10,134.90 and 5,658.89

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Solution

The fourth proportional to 7,340.85, 10,134.90 and 5,658.89 is: 7,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.85 : 10,134.90 = 5,658.89 : x
  2. Step 2: Convert to fraction form
    7,340.85/10,134.90 = 5,658.89/x
  3. Step 3: Cross multiply
    7,340.85x = 10,134.90 × 5,658.89
  4. Step 4: Simplify right side
    7,340.85x = 57,352,233.59
  5. Step 5: Solve for x
    x = 57,352,233.59/7,340.85
  6. Step 6: Final answer
    x = 7,812.75

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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.