Home / 6,966.30-9,613.86-3,822.50

Finding the Fourth Proportional to 6,966.30, 9,613.86 and 3,822.50

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Solution

The fourth proportional to 6,966.30, 9,613.86 and 3,822.50 is: 5,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.30 : 9,613.86 = 3,822.50 : x
  2. Step 2: Convert to fraction form
    6,966.30/9,613.86 = 3,822.50/x
  3. Step 3: Cross multiply
    6,966.30x = 9,613.86 × 3,822.50
  4. Step 4: Simplify right side
    6,966.30x = 36,748,979.85
  5. Step 5: Solve for x
    x = 36,748,979.85/6,966.30
  6. Step 6: Final answer
    x = 5,275.25

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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.