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Finding the Fourth Proportional to 8,258.80, 11,393.36 and 4,899.71

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Solution

The fourth proportional to 8,258.80, 11,393.36 and 4,899.71 is: 6,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.80 : 11,393.36 = 4,899.71 : x
  2. Step 2: Convert to fraction form
    8,258.80/11,393.36 = 4,899.71/x
  3. Step 3: Cross multiply
    8,258.80x = 11,393.36 × 4,899.71
  4. Step 4: Simplify right side
    8,258.80x = 55,824,127.38
  5. Step 5: Solve for x
    x = 55,824,127.38/8,258.80
  6. Step 6: Final answer
    x = 6,759.35

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.