Home / 8,879.04-13,320.52-2,639.56

Finding the Fourth Proportional to 8,879.04, 13,320.52 and 2,639.56

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Solution

The fourth proportional to 8,879.04, 13,320.52 and 2,639.56 is: 3,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.04 : 13,320.52 = 2,639.56 : x
  2. Step 2: Convert to fraction form
    8,879.04/13,320.52 = 2,639.56/x
  3. Step 3: Cross multiply
    8,879.04x = 13,320.52 × 2,639.56
  4. Step 4: Simplify right side
    8,879.04x = 35,160,311.77
  5. Step 5: Solve for x
    x = 35,160,311.77/8,879.04
  6. Step 6: Final answer
    x = 3,959.92

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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.