Home / 7,130.52-10,689.78-3,233.88

Finding the Fourth Proportional to 7,130.52, 10,689.78 and 3,233.88

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Solution

The fourth proportional to 7,130.52, 10,689.78 and 3,233.88 is: 4,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.52 : 10,689.78 = 3,233.88 : x
  2. Step 2: Convert to fraction form
    7,130.52/10,689.78 = 3,233.88/x
  3. Step 3: Cross multiply
    7,130.52x = 10,689.78 × 3,233.88
  4. Step 4: Simplify right side
    7,130.52x = 34,569,465.75
  5. Step 5: Solve for x
    x = 34,569,465.75/7,130.52
  6. Step 6: Final answer
    x = 4,848.10

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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.