Home / 8,776.80-13,165.56-2,937.60

Finding the Fourth Proportional to 8,776.80, 13,165.56 and 2,937.60

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Solution

The fourth proportional to 8,776.80, 13,165.56 and 2,937.60 is: 4,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.80 : 13,165.56 = 2,937.60 : x
  2. Step 2: Convert to fraction form
    8,776.80/13,165.56 = 2,937.60/x
  3. Step 3: Cross multiply
    8,776.80x = 13,165.56 × 2,937.60
  4. Step 4: Simplify right side
    8,776.80x = 38,675,149.06
  5. Step 5: Solve for x
    x = 38,675,149.06/8,776.80
  6. Step 6: Final answer
    x = 4,406.52

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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.