Home / 9,003.04-12,439.42-6,480.16

Finding the Fourth Proportional to 9,003.04, 12,439.42 and 6,480.16

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Solution

The fourth proportional to 9,003.04, 12,439.42 and 6,480.16 is: 8,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.04 : 12,439.42 = 6,480.16 : x
  2. Step 2: Convert to fraction form
    9,003.04/12,439.42 = 6,480.16/x
  3. Step 3: Cross multiply
    9,003.04x = 12,439.42 × 6,480.16
  4. Step 4: Simplify right side
    9,003.04x = 80,609,431.91
  5. Step 5: Solve for x
    x = 80,609,431.91/9,003.04
  6. Step 6: Final answer
    x = 8,953.58

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Half scale
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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.