Home / 7,587.14-11,380.70-4,989.47

Finding the Fourth Proportional to 7,587.14, 11,380.70 and 4,989.47

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Solution

The fourth proportional to 7,587.14, 11,380.70 and 4,989.47 is: 7,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.14 : 11,380.70 = 4,989.47 : x
  2. Step 2: Convert to fraction form
    7,587.14/11,380.70 = 4,989.47/x
  3. Step 3: Cross multiply
    7,587.14x = 11,380.70 × 4,989.47
  4. Step 4: Simplify right side
    7,587.14x = 56,783,616.80
  5. Step 5: Solve for x
    x = 56,783,616.80/7,587.14
  6. Step 6: Final answer
    x = 7,484.20

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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.