Home / 6,630.19-9,154.15-4,113.32

Finding the Fourth Proportional to 6,630.19, 9,154.15 and 4,113.32

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Solution

The fourth proportional to 6,630.19, 9,154.15 and 4,113.32 is: 5,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.19 : 9,154.15 = 4,113.32 : x
  2. Step 2: Convert to fraction form
    6,630.19/9,154.15 = 4,113.32/x
  3. Step 3: Cross multiply
    6,630.19x = 9,154.15 × 4,113.32
  4. Step 4: Simplify right side
    6,630.19x = 37,653,892.22
  5. Step 5: Solve for x
    x = 37,653,892.22/6,630.19
  6. Step 6: Final answer
    x = 5,679.16

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.