Home / 5,424.04-8,136.08-1,528.48

Finding the Fourth Proportional to 5,424.04, 8,136.08 and 1,528.48

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Solution

The fourth proportional to 5,424.04, 8,136.08 and 1,528.48 is: 2,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.04 : 8,136.08 = 1,528.48 : x
  2. Step 2: Convert to fraction form
    5,424.04/8,136.08 = 1,528.48/x
  3. Step 3: Cross multiply
    5,424.04x = 8,136.08 × 1,528.48
  4. Step 4: Simplify right side
    5,424.04x = 12,435,835.56
  5. Step 5: Solve for x
    x = 12,435,835.56/5,424.04
  6. Step 6: Final answer
    x = 2,292.73

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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.