Home / 8,328.12-11,487.52-6,334.31

Finding the Fourth Proportional to 8,328.12, 11,487.52 and 6,334.31

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Solution

The fourth proportional to 8,328.12, 11,487.52 and 6,334.31 is: 8,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.12 : 11,487.52 = 6,334.31 : x
  2. Step 2: Convert to fraction form
    8,328.12/11,487.52 = 6,334.31/x
  3. Step 3: Cross multiply
    8,328.12x = 11,487.52 × 6,334.31
  4. Step 4: Simplify right side
    8,328.12x = 72,765,463.29
  5. Step 5: Solve for x
    x = 72,765,463.29/8,328.12
  6. Step 6: Final answer
    x = 8,737.32

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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.