Home / 5,424.09-8,136.13-1,527.99

Finding the Fourth Proportional to 5,424.09, 8,136.13 and 1,527.99

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Solution

The fourth proportional to 5,424.09, 8,136.13 and 1,527.99 is: 2,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.09 : 8,136.13 = 1,527.99 : x
  2. Step 2: Convert to fraction form
    5,424.09/8,136.13 = 1,527.99/x
  3. Step 3: Cross multiply
    5,424.09x = 8,136.13 × 1,527.99
  4. Step 4: Simplify right side
    5,424.09x = 12,431,925.28
  5. Step 5: Solve for x
    x = 12,431,925.28/5,424.09
  6. Step 6: Final answer
    x = 2,291.98

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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.