Home / 6,456.11-9,685.18-2,758.37

Finding the Fourth Proportional to 6,456.11, 9,685.18 and 2,758.37

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Solution

The fourth proportional to 6,456.11, 9,685.18 and 2,758.37 is: 4,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.11 : 9,685.18 = 2,758.37 : x
  2. Step 2: Convert to fraction form
    6,456.11/9,685.18 = 2,758.37/x
  3. Step 3: Cross multiply
    6,456.11x = 9,685.18 × 2,758.37
  4. Step 4: Simplify right side
    6,456.11x = 26,715,254.63
  5. Step 5: Solve for x
    x = 26,715,254.63/6,456.11
  6. Step 6: Final answer
    x = 4,137.98

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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.