Home / 7,801.40-10,766.03-4,264.61

Finding the Fourth Proportional to 7,801.40, 10,766.03 and 4,264.61

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Solution

The fourth proportional to 7,801.40, 10,766.03 and 4,264.61 is: 5,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.40 : 10,766.03 = 4,264.61 : x
  2. Step 2: Convert to fraction form
    7,801.40/10,766.03 = 4,264.61/x
  3. Step 3: Cross multiply
    7,801.40x = 10,766.03 × 4,264.61
  4. Step 4: Simplify right side
    7,801.40x = 45,912,940.78
  5. Step 5: Solve for x
    x = 45,912,940.78/7,801.40
  6. Step 6: Final answer
    x = 5,885.22

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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.