Home / 6,818.40-9,418.95-5,266.44

Finding the Fourth Proportional to 6,818.40, 9,418.95 and 5,266.44

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Solution

The fourth proportional to 6,818.40, 9,418.95 and 5,266.44 is: 7,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.40 : 9,418.95 = 5,266.44 : x
  2. Step 2: Convert to fraction form
    6,818.40/9,418.95 = 5,266.44/x
  3. Step 3: Cross multiply
    6,818.40x = 9,418.95 × 5,266.44
  4. Step 4: Simplify right side
    6,818.40x = 49,604,335.04
  5. Step 5: Solve for x
    x = 49,604,335.04/6,818.40
  6. Step 6: Final answer
    x = 7,275.07

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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.