Home / 8,140.50-11,242.40-6,040.98

Finding the Fourth Proportional to 8,140.50, 11,242.40 and 6,040.98

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Solution

The fourth proportional to 8,140.50, 11,242.40 and 6,040.98 is: 8,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.50 : 11,242.40 = 6,040.98 : x
  2. Step 2: Convert to fraction form
    8,140.50/11,242.40 = 6,040.98/x
  3. Step 3: Cross multiply
    8,140.50x = 11,242.40 × 6,040.98
  4. Step 4: Simplify right side
    8,140.50x = 67,915,083.35
  5. Step 5: Solve for x
    x = 67,915,083.35/8,140.50
  6. Step 6: Final answer
    x = 8,342.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.