Home / 6,276.18-9,408.14-2,988.38

Finding the Fourth Proportional to 6,276.18, 9,408.14 and 2,988.38

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Solution

The fourth proportional to 6,276.18, 9,408.14 and 2,988.38 is: 4,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.18 : 9,408.14 = 2,988.38 : x
  2. Step 2: Convert to fraction form
    6,276.18/9,408.14 = 2,988.38/x
  3. Step 3: Cross multiply
    6,276.18x = 9,408.14 × 2,988.38
  4. Step 4: Simplify right side
    6,276.18x = 28,115,097.41
  5. Step 5: Solve for x
    x = 28,115,097.41/6,276.18
  6. Step 6: Final answer
    x = 4,479.65

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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.