Home / 7,965.40-11,943.66-4,266.52

Finding the Fourth Proportional to 7,965.40, 11,943.66 and 4,266.52

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Solution

The fourth proportional to 7,965.40, 11,943.66 and 4,266.52 is: 6,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.40 : 11,943.66 = 4,266.52 : x
  2. Step 2: Convert to fraction form
    7,965.40/11,943.66 = 4,266.52/x
  3. Step 3: Cross multiply
    7,965.40x = 11,943.66 × 4,266.52
  4. Step 4: Simplify right side
    7,965.40x = 50,957,864.26
  5. Step 5: Solve for x
    x = 50,957,864.26/7,965.40
  6. Step 6: Final answer
    x = 6,397.40

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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.