Home / 4,613.76-6,919.20-1,327.08

Finding the Fourth Proportional to 4,613.76, 6,919.20 and 1,327.08

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Solution

The fourth proportional to 4,613.76, 6,919.20 and 1,327.08 is: 1,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.76 : 6,919.20 = 1,327.08 : x
  2. Step 2: Convert to fraction form
    4,613.76/6,919.20 = 1,327.08/x
  3. Step 3: Cross multiply
    4,613.76x = 6,919.20 × 1,327.08
  4. Step 4: Simplify right side
    4,613.76x = 9,182,331.94
  5. Step 5: Solve for x
    x = 9,182,331.94/4,613.76
  6. Step 6: Final answer
    x = 1,990.21

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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.