Home / 6,891.18-10,339.50-2,508.98

Finding the Fourth Proportional to 6,891.18, 10,339.50 and 2,508.98

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Solution

The fourth proportional to 6,891.18, 10,339.50 and 2,508.98 is: 3,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.18 : 10,339.50 = 2,508.98 : x
  2. Step 2: Convert to fraction form
    6,891.18/10,339.50 = 2,508.98/x
  3. Step 3: Cross multiply
    6,891.18x = 10,339.50 × 2,508.98
  4. Step 4: Simplify right side
    6,891.18x = 25,941,598.71
  5. Step 5: Solve for x
    x = 25,941,598.71/6,891.18
  6. Step 6: Final answer
    x = 3,764.46

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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.