Home / 7,687.02-10,607.20-4,329.75

Finding the Fourth Proportional to 7,687.02, 10,607.20 and 4,329.75

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Solution

The fourth proportional to 7,687.02, 10,607.20 and 4,329.75 is: 5,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.02 : 10,607.20 = 4,329.75 : x
  2. Step 2: Convert to fraction form
    7,687.02/10,607.20 = 4,329.75/x
  3. Step 3: Cross multiply
    7,687.02x = 10,607.20 × 4,329.75
  4. Step 4: Simplify right side
    7,687.02x = 45,926,524.20
  5. Step 5: Solve for x
    x = 45,926,524.20/7,687.02
  6. Step 6: Final answer
    x = 5,974.56

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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.