Home / 5,135.34-7,115.47-5,024.70

Finding the Fourth Proportional to 5,135.34, 7,115.47 and 5,024.70

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Solution

The fourth proportional to 5,135.34, 7,115.47 and 5,024.70 is: 6,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.34 : 7,115.47 = 5,024.70 : x
  2. Step 2: Convert to fraction form
    5,135.34/7,115.47 = 5,024.70/x
  3. Step 3: Cross multiply
    5,135.34x = 7,115.47 × 5,024.70
  4. Step 4: Simplify right side
    5,135.34x = 35,753,102.11
  5. Step 5: Solve for x
    x = 35,753,102.11/5,135.34
  6. Step 6: Final answer
    x = 6,962.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.