Home / 6,114.20-9,171.30-5,312.30

Finding the Fourth Proportional to 6,114.20, 9,171.30 and 5,312.30

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Solution

The fourth proportional to 6,114.20, 9,171.30 and 5,312.30 is: 7,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.20 : 9,171.30 = 5,312.30 : x
  2. Step 2: Convert to fraction form
    6,114.20/9,171.30 = 5,312.30/x
  3. Step 3: Cross multiply
    6,114.20x = 9,171.30 × 5,312.30
  4. Step 4: Simplify right side
    6,114.20x = 48,720,696.99
  5. Step 5: Solve for x
    x = 48,720,696.99/6,114.20
  6. Step 6: Final answer
    x = 7,968.45

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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.