Home / 8,626.36-12,939.18-2,470.36

Finding the Fourth Proportional to 8,626.36, 12,939.18 and 2,470.36

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Solution

The fourth proportional to 8,626.36, 12,939.18 and 2,470.36 is: 3,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.36 : 12,939.18 = 2,470.36 : x
  2. Step 2: Convert to fraction form
    8,626.36/12,939.18 = 2,470.36/x
  3. Step 3: Cross multiply
    8,626.36x = 12,939.18 × 2,470.36
  4. Step 4: Simplify right side
    8,626.36x = 31,964,432.70
  5. Step 5: Solve for x
    x = 31,964,432.70/8,626.36
  6. Step 6: Final answer
    x = 3,705.44

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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.