Home / 6,220.74-9,330.75-1,540.50

Finding the Fourth Proportional to 6,220.74, 9,330.75 and 1,540.50

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Solution

The fourth proportional to 6,220.74, 9,330.75 and 1,540.50 is: 2,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.74 : 9,330.75 = 1,540.50 : x
  2. Step 2: Convert to fraction form
    6,220.74/9,330.75 = 1,540.50/x
  3. Step 3: Cross multiply
    6,220.74x = 9,330.75 × 1,540.50
  4. Step 4: Simplify right side
    6,220.74x = 14,374,020.38
  5. Step 5: Solve for x
    x = 14,374,020.38/6,220.74
  6. Step 6: Final answer
    x = 2,310.66

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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.