Home / 6,723.90-9,276.59-4,209.15

Finding the Fourth Proportional to 6,723.90, 9,276.59 and 4,209.15

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Solution

The fourth proportional to 6,723.90, 9,276.59 and 4,209.15 is: 5,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.90 : 9,276.59 = 4,209.15 : x
  2. Step 2: Convert to fraction form
    6,723.90/9,276.59 = 4,209.15/x
  3. Step 3: Cross multiply
    6,723.90x = 9,276.59 × 4,209.15
  4. Step 4: Simplify right side
    6,723.90x = 39,046,558.80
  5. Step 5: Solve for x
    x = 39,046,558.80/6,723.90
  6. Step 6: Final answer
    x = 5,807.13

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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.