Home / 9,170.56-12,649.68-5,630.32

Finding the Fourth Proportional to 9,170.56, 12,649.68 and 5,630.32

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Solution

The fourth proportional to 9,170.56, 12,649.68 and 5,630.32 is: 7,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.56 : 12,649.68 = 5,630.32 : x
  2. Step 2: Convert to fraction form
    9,170.56/12,649.68 = 5,630.32/x
  3. Step 3: Cross multiply
    9,170.56x = 12,649.68 × 5,630.32
  4. Step 4: Simplify right side
    9,170.56x = 71,221,746.30
  5. Step 5: Solve for x
    x = 71,221,746.30/9,170.56
  6. Step 6: Final answer
    x = 7,766.35

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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.