Home / 8,426.98-12,642.45-2,503.92

Finding the Fourth Proportional to 8,426.98, 12,642.45 and 2,503.92

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Solution

The fourth proportional to 8,426.98, 12,642.45 and 2,503.92 is: 3,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.98 : 12,642.45 = 2,503.92 : x
  2. Step 2: Convert to fraction form
    8,426.98/12,642.45 = 2,503.92/x
  3. Step 3: Cross multiply
    8,426.98x = 12,642.45 × 2,503.92
  4. Step 4: Simplify right side
    8,426.98x = 31,655,640.32
  5. Step 5: Solve for x
    x = 31,655,640.32/8,426.98
  6. Step 6: Final answer
    x = 3,756.46

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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.