Home / 5,412.54-8,119.23-1,516.98

Finding the Fourth Proportional to 5,412.54, 8,119.23 and 1,516.98

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Solution

The fourth proportional to 5,412.54, 8,119.23 and 1,516.98 is: 2,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.54 : 8,119.23 = 1,516.98 : x
  2. Step 2: Convert to fraction form
    5,412.54/8,119.23 = 1,516.98/x
  3. Step 3: Cross multiply
    5,412.54x = 8,119.23 × 1,516.98
  4. Step 4: Simplify right side
    5,412.54x = 12,316,709.53
  5. Step 5: Solve for x
    x = 12,316,709.53/5,412.54
  6. Step 6: Final answer
    x = 2,275.59

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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.