Home / 7,156.04-10,737.88-5,388.89

Finding the Fourth Proportional to 7,156.04, 10,737.88 and 5,388.89

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Solution

The fourth proportional to 7,156.04, 10,737.88 and 5,388.89 is: 8,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.04 : 10,737.88 = 5,388.89 : x
  2. Step 2: Convert to fraction form
    7,156.04/10,737.88 = 5,388.89/x
  3. Step 3: Cross multiply
    7,156.04x = 10,737.88 × 5,388.89
  4. Step 4: Simplify right side
    7,156.04x = 57,865,227.21
  5. Step 5: Solve for x
    x = 57,865,227.21/7,156.04
  6. Step 6: Final answer
    x = 8,086.21

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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.