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Finding the Fourth Proportional to 6,250.64, 8,627.76 and 4,260.80

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Solution

The fourth proportional to 6,250.64, 8,627.76 and 4,260.80 is: 5,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.64 : 8,627.76 = 4,260.80 : x
  2. Step 2: Convert to fraction form
    6,250.64/8,627.76 = 4,260.80/x
  3. Step 3: Cross multiply
    6,250.64x = 8,627.76 × 4,260.80
  4. Step 4: Simplify right side
    6,250.64x = 36,761,159.81
  5. Step 5: Solve for x
    x = 36,761,159.81/6,250.64
  6. Step 6: Final answer
    x = 5,881.18

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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.