Home / 7,408.11-10,217.28-6,292.74

Finding the Fourth Proportional to 7,408.11, 10,217.28 and 6,292.74

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Solution

The fourth proportional to 7,408.11, 10,217.28 and 6,292.74 is: 8,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.11 : 10,217.28 = 6,292.74 : x
  2. Step 2: Convert to fraction form
    7,408.11/10,217.28 = 6,292.74/x
  3. Step 3: Cross multiply
    7,408.11x = 10,217.28 × 6,292.74
  4. Step 4: Simplify right side
    7,408.11x = 64,294,635.46
  5. Step 5: Solve for x
    x = 64,294,635.46/7,408.11
  6. Step 6: Final answer
    x = 8,678.96

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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.