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Finding the Fourth Proportional to 7,002.55, 10,507.93 and 3,885.17

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Solution

The fourth proportional to 7,002.55, 10,507.93 and 3,885.17 is: 5,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.55 : 10,507.93 = 3,885.17 : x
  2. Step 2: Convert to fraction form
    7,002.55/10,507.93 = 3,885.17/x
  3. Step 3: Cross multiply
    7,002.55x = 10,507.93 × 3,885.17
  4. Step 4: Simplify right side
    7,002.55x = 40,825,032.15
  5. Step 5: Solve for x
    x = 40,825,032.15/7,002.55
  6. Step 6: Final answer
    x = 5,830.02

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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.