Home / 8,312.13-11,470.85-4,727.27

Finding the Fourth Proportional to 8,312.13, 11,470.85 and 4,727.27

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Solution

The fourth proportional to 8,312.13, 11,470.85 and 4,727.27 is: 6,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.13 : 11,470.85 = 4,727.27 : x
  2. Step 2: Convert to fraction form
    8,312.13/11,470.85 = 4,727.27/x
  3. Step 3: Cross multiply
    8,312.13x = 11,470.85 × 4,727.27
  4. Step 4: Simplify right side
    8,312.13x = 54,225,724.09
  5. Step 5: Solve for x
    x = 54,225,724.09/8,312.13
  6. Step 6: Final answer
    x = 6,523.69

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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.