Home / 7,543.26-11,314.89-2,612.90

Finding the Fourth Proportional to 7,543.26, 11,314.89 and 2,612.90

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Solution

The fourth proportional to 7,543.26, 11,314.89 and 2,612.90 is: 3,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.26 : 11,314.89 = 2,612.90 : x
  2. Step 2: Convert to fraction form
    7,543.26/11,314.89 = 2,612.90/x
  3. Step 3: Cross multiply
    7,543.26x = 11,314.89 × 2,612.90
  4. Step 4: Simplify right side
    7,543.26x = 29,564,619.51
  5. Step 5: Solve for x
    x = 29,564,619.51/7,543.26
  6. Step 6: Final answer
    x = 3,919.34

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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.