Home / 4,326.24-6,489.76-2,605.80

Finding the Fourth Proportional to 4,326.24, 6,489.76 and 2,605.80

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Solution

The fourth proportional to 4,326.24, 6,489.76 and 2,605.80 is: 3,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.24 : 6,489.76 = 2,605.80 : x
  2. Step 2: Convert to fraction form
    4,326.24/6,489.76 = 2,605.80/x
  3. Step 3: Cross multiply
    4,326.24x = 6,489.76 × 2,605.80
  4. Step 4: Simplify right side
    4,326.24x = 16,911,016.61
  5. Step 5: Solve for x
    x = 16,911,016.61/4,326.24
  6. Step 6: Final answer
    x = 3,908.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.