Home / 4,263.11-6,386.16-3,387.10

Finding the Fourth Proportional to 4,263.11, 6,386.16 and 3,387.10

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Solution

The fourth proportional to 4,263.11, 6,386.16 and 3,387.10 is: 5,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.11 : 6,386.16 = 3,387.10 : x
  2. Step 2: Convert to fraction form
    4,263.11/6,386.16 = 3,387.10/x
  3. Step 3: Cross multiply
    4,263.11x = 6,386.16 × 3,387.10
  4. Step 4: Simplify right side
    4,263.11x = 21,630,530.61
  5. Step 5: Solve for x
    x = 21,630,530.61/4,263.11
  6. Step 6: Final answer
    x = 5,073.89

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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.