Home / 6,312.30-9,468.45-6,190.80

Finding the Fourth Proportional to 6,312.30, 9,468.45 and 6,190.80

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Solution

The fourth proportional to 6,312.30, 9,468.45 and 6,190.80 is: 9,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.30 : 9,468.45 = 6,190.80 : x
  2. Step 2: Convert to fraction form
    6,312.30/9,468.45 = 6,190.80/x
  3. Step 3: Cross multiply
    6,312.30x = 9,468.45 × 6,190.80
  4. Step 4: Simplify right side
    6,312.30x = 58,617,280.26
  5. Step 5: Solve for x
    x = 58,617,280.26/6,312.30
  6. Step 6: Final answer
    x = 9,286.20

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Double scale
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Similar ratio
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1.5x scale

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.