Home / 8,312.22-11,470.55-4,727.09

Finding the Fourth Proportional to 8,312.22, 11,470.55 and 4,727.09

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Solution

The fourth proportional to 8,312.22, 11,470.55 and 4,727.09 is: 6,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.22 : 11,470.55 = 4,727.09 : x
  2. Step 2: Convert to fraction form
    8,312.22/11,470.55 = 4,727.09/x
  3. Step 3: Cross multiply
    8,312.22x = 11,470.55 × 4,727.09
  4. Step 4: Simplify right side
    8,312.22x = 54,222,327.24
  5. Step 5: Solve for x
    x = 54,222,327.24/8,312.22
  6. Step 6: Final answer
    x = 6,523.21

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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.