Home / 5,572.50-8,355.51-1,872.69

Finding the Fourth Proportional to 5,572.50, 8,355.51 and 1,872.69

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Solution

The fourth proportional to 5,572.50, 8,355.51 and 1,872.69 is: 2,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.50 : 8,355.51 = 1,872.69 : x
  2. Step 2: Convert to fraction form
    5,572.50/8,355.51 = 1,872.69/x
  3. Step 3: Cross multiply
    5,572.50x = 8,355.51 × 1,872.69
  4. Step 4: Simplify right side
    5,572.50x = 15,647,280.02
  5. Step 5: Solve for x
    x = 15,647,280.02/5,572.50
  6. Step 6: Final answer
    x = 2,807.95

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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.