Home / 8,470.02-12,704.85-2,923.19

Finding the Fourth Proportional to 8,470.02, 12,704.85 and 2,923.19

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Solution

The fourth proportional to 8,470.02, 12,704.85 and 2,923.19 is: 4,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.02 : 12,704.85 = 2,923.19 : x
  2. Step 2: Convert to fraction form
    8,470.02/12,704.85 = 2,923.19/x
  3. Step 3: Cross multiply
    8,470.02x = 12,704.85 × 2,923.19
  4. Step 4: Simplify right side
    8,470.02x = 37,138,626.95
  5. Step 5: Solve for x
    x = 37,138,626.95/8,470.02
  6. Step 6: Final answer
    x = 4,384.72

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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.