Home / 4,670.06-7,002.77-2,891.30

Finding the Fourth Proportional to 4,670.06, 7,002.77 and 2,891.30

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Solution

The fourth proportional to 4,670.06, 7,002.77 and 2,891.30 is: 4,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.06 : 7,002.77 = 2,891.30 : x
  2. Step 2: Convert to fraction form
    4,670.06/7,002.77 = 2,891.30/x
  3. Step 3: Cross multiply
    4,670.06x = 7,002.77 × 2,891.30
  4. Step 4: Simplify right side
    4,670.06x = 20,247,059.43
  5. Step 5: Solve for x
    x = 20,247,059.43/4,670.06
  6. Step 6: Final answer
    x = 4,335.51

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Half scale
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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.