Home / 8,071.20-11,136.96-4,534.40

Finding the Fourth Proportional to 8,071.20, 11,136.96 and 4,534.40

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Solution

The fourth proportional to 8,071.20, 11,136.96 and 4,534.40 is: 6,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.20 : 11,136.96 = 4,534.40 : x
  2. Step 2: Convert to fraction form
    8,071.20/11,136.96 = 4,534.40/x
  3. Step 3: Cross multiply
    8,071.20x = 11,136.96 × 4,534.40
  4. Step 4: Simplify right side
    8,071.20x = 50,499,431.42
  5. Step 5: Solve for x
    x = 50,499,431.42/8,071.20
  6. Step 6: Final answer
    x = 6,256.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.