Home / 5,424.16-8,136.24-1,528.32

Finding the Fourth Proportional to 5,424.16, 8,136.24 and 1,528.32

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Solution

The fourth proportional to 5,424.16, 8,136.24 and 1,528.32 is: 2,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.16 : 8,136.24 = 1,528.32 : x
  2. Step 2: Convert to fraction form
    5,424.16/8,136.24 = 1,528.32/x
  3. Step 3: Cross multiply
    5,424.16x = 8,136.24 × 1,528.32
  4. Step 4: Simplify right side
    5,424.16x = 12,434,778.32
  5. Step 5: Solve for x
    x = 12,434,778.32/5,424.16
  6. Step 6: Final answer
    x = 2,292.48

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Similar ratio
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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.