Home / 5,417.28-8,124.30-5,119.20

Finding the Fourth Proportional to 5,417.28, 8,124.30 and 5,119.20

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Solution

The fourth proportional to 5,417.28, 8,124.30 and 5,119.20 is: 7,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.28 : 8,124.30 = 5,119.20 : x
  2. Step 2: Convert to fraction form
    5,417.28/8,124.30 = 5,119.20/x
  3. Step 3: Cross multiply
    5,417.28x = 8,124.30 × 5,119.20
  4. Step 4: Simplify right side
    5,417.28x = 41,589,916.56
  5. Step 5: Solve for x
    x = 41,589,916.56/5,417.28
  6. Step 6: Final answer
    x = 7,677.27

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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.