Home / 7,962.93-10,952.31-6,387.57

Finding the Fourth Proportional to 7,962.93, 10,952.31 and 6,387.57

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Solution

The fourth proportional to 7,962.93, 10,952.31 and 6,387.57 is: 8,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.93 : 10,952.31 = 6,387.57 : x
  2. Step 2: Convert to fraction form
    7,962.93/10,952.31 = 6,387.57/x
  3. Step 3: Cross multiply
    7,962.93x = 10,952.31 × 6,387.57
  4. Step 4: Simplify right side
    7,962.93x = 69,958,646.79
  5. Step 5: Solve for x
    x = 69,958,646.79/7,962.93
  6. Step 6: Final answer
    x = 8,785.54

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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.