Home / 8,312.51-12,441.47-6,327.43

Finding the Fourth Proportional to 8,312.51, 12,441.47 and 6,327.43

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Solution

The fourth proportional to 8,312.51, 12,441.47 and 6,327.43 is: 9,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.51 : 12,441.47 = 6,327.43 : x
  2. Step 2: Convert to fraction form
    8,312.51/12,441.47 = 6,327.43/x
  3. Step 3: Cross multiply
    8,312.51x = 12,441.47 × 6,327.43
  4. Step 4: Simplify right side
    8,312.51x = 78,722,467.78
  5. Step 5: Solve for x
    x = 78,722,467.78/8,312.51
  6. Step 6: Final answer
    x = 9,470.36

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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.