Home / 8,470.17-12,703.23-2,923.70

Finding the Fourth Proportional to 8,470.17, 12,703.23 and 2,923.70

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Solution

The fourth proportional to 8,470.17, 12,703.23 and 2,923.70 is: 4,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.17 : 12,703.23 = 2,923.70 : x
  2. Step 2: Convert to fraction form
    8,470.17/12,703.23 = 2,923.70/x
  3. Step 3: Cross multiply
    8,470.17x = 12,703.23 × 2,923.70
  4. Step 4: Simplify right side
    8,470.17x = 37,140,370.03
  5. Step 5: Solve for x
    x = 37,140,370.03/8,470.17
  6. Step 6: Final answer
    x = 4,384.84

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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.