Home / 5,670.15-8,489.25-4,279.07

Finding the Fourth Proportional to 5,670.15, 8,489.25 and 4,279.07

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Solution

The fourth proportional to 5,670.15, 8,489.25 and 4,279.07 is: 6,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.15 : 8,489.25 = 4,279.07 : x
  2. Step 2: Convert to fraction form
    5,670.15/8,489.25 = 4,279.07/x
  3. Step 3: Cross multiply
    5,670.15x = 8,489.25 × 4,279.07
  4. Step 4: Simplify right side
    5,670.15x = 36,326,052.55
  5. Step 5: Solve for x
    x = 36,326,052.55/5,670.15
  6. Step 6: Final answer
    x = 6,406.54

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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.