Home / 6,319.71-9,479.90-2,423.81

Finding the Fourth Proportional to 6,319.71, 9,479.90 and 2,423.81

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Solution

The fourth proportional to 6,319.71, 9,479.90 and 2,423.81 is: 3,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.71 : 9,479.90 = 2,423.81 : x
  2. Step 2: Convert to fraction form
    6,319.71/9,479.90 = 2,423.81/x
  3. Step 3: Cross multiply
    6,319.71x = 9,479.90 × 2,423.81
  4. Step 4: Simplify right side
    6,319.71x = 22,977,506.18
  5. Step 5: Solve for x
    x = 22,977,506.18/6,319.71
  6. Step 6: Final answer
    x = 3,635.85

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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.