Home / 4,380.11-6,044.57-2,390.71

Finding the Fourth Proportional to 4,380.11, 6,044.57 and 2,390.71

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Solution

The fourth proportional to 4,380.11, 6,044.57 and 2,390.71 is: 3,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.11 : 6,044.57 = 2,390.71 : x
  2. Step 2: Convert to fraction form
    4,380.11/6,044.57 = 2,390.71/x
  3. Step 3: Cross multiply
    4,380.11x = 6,044.57 × 2,390.71
  4. Step 4: Simplify right side
    4,380.11x = 14,450,771.77
  5. Step 5: Solve for x
    x = 14,450,771.77/4,380.11
  6. Step 6: Final answer
    x = 3,299.18

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Half scale
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Double scale
Find fourth proportional to 4,381.11, 6,045.95 and 2,391.71
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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.