Home / 8,370.28-12,559.74-4,670.20

Finding the Fourth Proportional to 8,370.28, 12,559.74 and 4,670.20

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Solution

The fourth proportional to 8,370.28, 12,559.74 and 4,670.20 is: 7,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.28 : 12,559.74 = 4,670.20 : x
  2. Step 2: Convert to fraction form
    8,370.28/12,559.74 = 4,670.20/x
  3. Step 3: Cross multiply
    8,370.28x = 12,559.74 × 4,670.20
  4. Step 4: Simplify right side
    8,370.28x = 58,656,497.75
  5. Step 5: Solve for x
    x = 58,656,497.75/8,370.28
  6. Step 6: Final answer
    x = 7,007.71

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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.