Home / 7,135.40-9,839.94-5,562.92

Finding the Fourth Proportional to 7,135.40, 9,839.94 and 5,562.92

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Solution

The fourth proportional to 7,135.40, 9,839.94 and 5,562.92 is: 7,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.40 : 9,839.94 = 5,562.92 : x
  2. Step 2: Convert to fraction form
    7,135.40/9,839.94 = 5,562.92/x
  3. Step 3: Cross multiply
    7,135.40x = 9,839.94 × 5,562.92
  4. Step 4: Simplify right side
    7,135.40x = 54,738,799.02
  5. Step 5: Solve for x
    x = 54,738,799.02/7,135.40
  6. Step 6: Final answer
    x = 7,671.44

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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.