Home / 5,424.30-8,136.59-1,528.68

Finding the Fourth Proportional to 5,424.30, 8,136.59 and 1,528.68

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Solution

The fourth proportional to 5,424.30, 8,136.59 and 1,528.68 is: 2,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.30 : 8,136.59 = 1,528.68 : x
  2. Step 2: Convert to fraction form
    5,424.30/8,136.59 = 1,528.68/x
  3. Step 3: Cross multiply
    5,424.30x = 8,136.59 × 1,528.68
  4. Step 4: Simplify right side
    5,424.30x = 12,438,242.40
  5. Step 5: Solve for x
    x = 12,438,242.40/5,424.30
  6. Step 6: Final answer
    x = 2,293.06

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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.