Home / 7,763.40-10,718.66-5,967.72

Finding the Fourth Proportional to 7,763.40, 10,718.66 and 5,967.72

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Solution

The fourth proportional to 7,763.40, 10,718.66 and 5,967.72 is: 8,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.40 : 10,718.66 = 5,967.72 : x
  2. Step 2: Convert to fraction form
    7,763.40/10,718.66 = 5,967.72/x
  3. Step 3: Cross multiply
    7,763.40x = 10,718.66 × 5,967.72
  4. Step 4: Simplify right side
    7,763.40x = 63,965,961.66
  5. Step 5: Solve for x
    x = 63,965,961.66/7,763.40
  6. Step 6: Final answer
    x = 8,239.43

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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.