Home / 8,710.04-12,014.38-5,170.76

Finding the Fourth Proportional to 8,710.04, 12,014.38 and 5,170.76

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Solution

The fourth proportional to 8,710.04, 12,014.38 and 5,170.76 is: 7,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.04 : 12,014.38 = 5,170.76 : x
  2. Step 2: Convert to fraction form
    8,710.04/12,014.38 = 5,170.76/x
  3. Step 3: Cross multiply
    8,710.04x = 12,014.38 × 5,170.76
  4. Step 4: Simplify right side
    8,710.04x = 62,123,475.53
  5. Step 5: Solve for x
    x = 62,123,475.53/8,710.04
  6. Step 6: Final answer
    x = 7,132.40

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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.