Home / 5,113.90-7,670.94-1,825.30

Finding the Fourth Proportional to 5,113.90, 7,670.94 and 1,825.30

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Solution

The fourth proportional to 5,113.90, 7,670.94 and 1,825.30 is: 2,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.90 : 7,670.94 = 1,825.30 : x
  2. Step 2: Convert to fraction form
    5,113.90/7,670.94 = 1,825.30/x
  3. Step 3: Cross multiply
    5,113.90x = 7,670.94 × 1,825.30
  4. Step 4: Simplify right side
    5,113.90x = 14,001,766.78
  5. Step 5: Solve for x
    x = 14,001,766.78/5,113.90
  6. Step 6: Final answer
    x = 2,737.98

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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.