Home / 6,339.52-8,748.54-3,545

Finding the Fourth Proportional to 6,339.52, 8,748.54 and 3,545

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Solution

The fourth proportional to 6,339.52, 8,748.54 and 3,545 is: 4,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.52 : 8,748.54 = 3,545 : x
  2. Step 2: Convert to fraction form
    6,339.52/8,748.54 = 3,545/x
  3. Step 3: Cross multiply
    6,339.52x = 8,748.54 × 3,545
  4. Step 4: Simplify right side
    6,339.52x = 31,013,574.30
  5. Step 5: Solve for x
    x = 31,013,574.30/6,339.52
  6. Step 6: Final answer
    x = 4,892.10

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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.