Home / 8,275.78-11,420.66-4,498.99

Finding the Fourth Proportional to 8,275.78, 11,420.66 and 4,498.99

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Solution

The fourth proportional to 8,275.78, 11,420.66 and 4,498.99 is: 6,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.78 : 11,420.66 = 4,498.99 : x
  2. Step 2: Convert to fraction form
    8,275.78/11,420.66 = 4,498.99/x
  3. Step 3: Cross multiply
    8,275.78x = 11,420.66 × 4,498.99
  4. Step 4: Simplify right side
    8,275.78x = 51,381,435.13
  5. Step 5: Solve for x
    x = 51,381,435.13/8,275.78
  6. Step 6: Final answer
    x = 6,208.65

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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.