Home / 6,648.30-9,972.45-4,445.10

Finding the Fourth Proportional to 6,648.30, 9,972.45 and 4,445.10

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Solution

The fourth proportional to 6,648.30, 9,972.45 and 4,445.10 is: 6,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.30 : 9,972.45 = 4,445.10 : x
  2. Step 2: Convert to fraction form
    6,648.30/9,972.45 = 4,445.10/x
  3. Step 3: Cross multiply
    6,648.30x = 9,972.45 × 4,445.10
  4. Step 4: Simplify right side
    6,648.30x = 44,328,537.50
  5. Step 5: Solve for x
    x = 44,328,537.50/6,648.30
  6. Step 6: Final answer
    x = 6,667.65

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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.