Home / 9,140.30-13,712.70-2,566.40

Finding the Fourth Proportional to 9,140.30, 13,712.70 and 2,566.40

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Solution

The fourth proportional to 9,140.30, 13,712.70 and 2,566.40 is: 3,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.30 : 13,712.70 = 2,566.40 : x
  2. Step 2: Convert to fraction form
    9,140.30/13,712.70 = 2,566.40/x
  3. Step 3: Cross multiply
    9,140.30x = 13,712.70 × 2,566.40
  4. Step 4: Simplify right side
    9,140.30x = 35,192,273.28
  5. Step 5: Solve for x
    x = 35,192,273.28/9,140.30
  6. Step 6: Final answer
    x = 3,850.23

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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.