Home / 8,173.62-12,247.47-4,657.14

Finding the Fourth Proportional to 8,173.62, 12,247.47 and 4,657.14

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Solution

The fourth proportional to 8,173.62, 12,247.47 and 4,657.14 is: 6,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.62 : 12,247.47 = 4,657.14 : x
  2. Step 2: Convert to fraction form
    8,173.62/12,247.47 = 4,657.14/x
  3. Step 3: Cross multiply
    8,173.62x = 12,247.47 × 4,657.14
  4. Step 4: Simplify right side
    8,173.62x = 57,038,182.44
  5. Step 5: Solve for x
    x = 57,038,182.44/8,173.62
  6. Step 6: Final answer
    x = 6,978.33

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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.