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Finding the Fourth Proportional to 8,894.80, 13,342.20 and 4,958.20

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Solution

The fourth proportional to 8,894.80, 13,342.20 and 4,958.20 is: 7,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.80 : 13,342.20 = 4,958.20 : x
  2. Step 2: Convert to fraction form
    8,894.80/13,342.20 = 4,958.20/x
  3. Step 3: Cross multiply
    8,894.80x = 13,342.20 × 4,958.20
  4. Step 4: Simplify right side
    8,894.80x = 66,153,296.04
  5. Step 5: Solve for x
    x = 66,153,296.04/8,894.80
  6. Step 6: Final answer
    x = 7,437.30

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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.