Home / 7,551.43-11,327.15-2,870.34

Finding the Fourth Proportional to 7,551.43, 11,327.15 and 2,870.34

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Solution

The fourth proportional to 7,551.43, 11,327.15 and 2,870.34 is: 4,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.43 : 11,327.15 = 2,870.34 : x
  2. Step 2: Convert to fraction form
    7,551.43/11,327.15 = 2,870.34/x
  3. Step 3: Cross multiply
    7,551.43x = 11,327.15 × 2,870.34
  4. Step 4: Simplify right side
    7,551.43x = 32,512,778.91
  5. Step 5: Solve for x
    x = 32,512,778.91/7,551.43
  6. Step 6: Final answer
    x = 4,305.51

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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.