Home / 8,470.50-11,689.38-4,693.74

Finding the Fourth Proportional to 8,470.50, 11,689.38 and 4,693.74

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Solution

The fourth proportional to 8,470.50, 11,689.38 and 4,693.74 is: 6,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.50 : 11,689.38 = 4,693.74 : x
  2. Step 2: Convert to fraction form
    8,470.50/11,689.38 = 4,693.74/x
  3. Step 3: Cross multiply
    8,470.50x = 11,689.38 × 4,693.74
  4. Step 4: Simplify right side
    8,470.50x = 54,866,910.48
  5. Step 5: Solve for x
    x = 54,866,910.48/8,470.50
  6. Step 6: Final answer
    x = 6,477.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.