Home / 8,707.45-12,016.09-4,728.53

Finding the Fourth Proportional to 8,707.45, 12,016.09 and 4,728.53

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Solution

The fourth proportional to 8,707.45, 12,016.09 and 4,728.53 is: 6,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.45 : 12,016.09 = 4,728.53 : x
  2. Step 2: Convert to fraction form
    8,707.45/12,016.09 = 4,728.53/x
  3. Step 3: Cross multiply
    8,707.45x = 12,016.09 × 4,728.53
  4. Step 4: Simplify right side
    8,707.45x = 56,818,442.05
  5. Step 5: Solve for x
    x = 56,818,442.05/8,707.45
  6. Step 6: Final answer
    x = 6,525.27

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Half scale
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Similar ratio
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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.