Home / 5,424.14-8,136.01-1,528.45

Finding the Fourth Proportional to 5,424.14, 8,136.01 and 1,528.45

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Solution

The fourth proportional to 5,424.14, 8,136.01 and 1,528.45 is: 2,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.14 : 8,136.01 = 1,528.45 : x
  2. Step 2: Convert to fraction form
    5,424.14/8,136.01 = 1,528.45/x
  3. Step 3: Cross multiply
    5,424.14x = 8,136.01 × 1,528.45
  4. Step 4: Simplify right side
    5,424.14x = 12,435,484.48
  5. Step 5: Solve for x
    x = 12,435,484.48/5,424.14
  6. Step 6: Final answer
    x = 2,292.62

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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.