Home / 4,170.16-6,255.45-1,248.19

Finding the Fourth Proportional to 4,170.16, 6,255.45 and 1,248.19

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Solution

The fourth proportional to 4,170.16, 6,255.45 and 1,248.19 is: 1,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.16 : 6,255.45 = 1,248.19 : x
  2. Step 2: Convert to fraction form
    4,170.16/6,255.45 = 1,248.19/x
  3. Step 3: Cross multiply
    4,170.16x = 6,255.45 × 1,248.19
  4. Step 4: Simplify right side
    4,170.16x = 7,807,974.50
  5. Step 5: Solve for x
    x = 7,807,974.50/4,170.16
  6. Step 6: Final answer
    x = 1,872.34

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Half scale
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Double scale
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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.