Home / 5,074.48-7,613.36-1,611.76

Finding the Fourth Proportional to 5,074.48, 7,613.36 and 1,611.76

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Solution

The fourth proportional to 5,074.48, 7,613.36 and 1,611.76 is: 2,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.48 : 7,613.36 = 1,611.76 : x
  2. Step 2: Convert to fraction form
    5,074.48/7,613.36 = 1,611.76/x
  3. Step 3: Cross multiply
    5,074.48x = 7,613.36 × 1,611.76
  4. Step 4: Simplify right side
    5,074.48x = 12,270,909.11
  5. Step 5: Solve for x
    x = 12,270,909.11/5,074.48
  6. Step 6: Final answer
    x = 2,418.16

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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.