Home / 8,977.48-13,456.86-5,276.68

Finding the Fourth Proportional to 8,977.48, 13,456.86 and 5,276.68

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Solution

The fourth proportional to 8,977.48, 13,456.86 and 5,276.68 is: 7,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.48 : 13,456.86 = 5,276.68 : x
  2. Step 2: Convert to fraction form
    8,977.48/13,456.86 = 5,276.68/x
  3. Step 3: Cross multiply
    8,977.48x = 13,456.86 × 5,276.68
  4. Step 4: Simplify right side
    8,977.48x = 71,007,544.02
  5. Step 5: Solve for x
    x = 71,007,544.02/8,977.48
  6. Step 6: Final answer
    x = 7,909.52

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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.