Home / 5,246.27-7,240.64-3,985.25

Finding the Fourth Proportional to 5,246.27, 7,240.64 and 3,985.25

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Solution

The fourth proportional to 5,246.27, 7,240.64 and 3,985.25 is: 5,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.27 : 7,240.64 = 3,985.25 : x
  2. Step 2: Convert to fraction form
    5,246.27/7,240.64 = 3,985.25/x
  3. Step 3: Cross multiply
    5,246.27x = 7,240.64 × 3,985.25
  4. Step 4: Simplify right side
    5,246.27x = 28,855,767.58
  5. Step 5: Solve for x
    x = 28,855,767.58/5,246.27
  6. Step 6: Final answer
    x = 5,500.25

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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.