Home / 7,718.80-10,653.06-4,531.96

Finding the Fourth Proportional to 7,718.80, 10,653.06 and 4,531.96

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Solution

The fourth proportional to 7,718.80, 10,653.06 and 4,531.96 is: 6,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.80 : 10,653.06 = 4,531.96 : x
  2. Step 2: Convert to fraction form
    7,718.80/10,653.06 = 4,531.96/x
  3. Step 3: Cross multiply
    7,718.80x = 10,653.06 × 4,531.96
  4. Step 4: Simplify right side
    7,718.80x = 48,279,241.80
  5. Step 5: Solve for x
    x = 48,279,241.80/7,718.80
  6. Step 6: Final answer
    x = 6,254.76

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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.