Home / 8,984.12-12,398.24-5,005.52

Finding the Fourth Proportional to 8,984.12, 12,398.24 and 5,005.52

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Solution

The fourth proportional to 8,984.12, 12,398.24 and 5,005.52 is: 6,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.12 : 12,398.24 = 5,005.52 : x
  2. Step 2: Convert to fraction form
    8,984.12/12,398.24 = 5,005.52/x
  3. Step 3: Cross multiply
    8,984.12x = 12,398.24 × 5,005.52
  4. Step 4: Simplify right side
    8,984.12x = 62,059,638.28
  5. Step 5: Solve for x
    x = 62,059,638.28/8,984.12
  6. Step 6: Final answer
    x = 6,907.70

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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.