Home / 6,165.48-9,240.51-3,390.42

Finding the Fourth Proportional to 6,165.48, 9,240.51 and 3,390.42

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Solution

The fourth proportional to 6,165.48, 9,240.51 and 3,390.42 is: 5,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.48 : 9,240.51 = 3,390.42 : x
  2. Step 2: Convert to fraction form
    6,165.48/9,240.51 = 3,390.42/x
  3. Step 3: Cross multiply
    6,165.48x = 9,240.51 × 3,390.42
  4. Step 4: Simplify right side
    6,165.48x = 31,329,209.91
  5. Step 5: Solve for x
    x = 31,329,209.91/6,165.48
  6. Step 6: Final answer
    x = 5,081.39

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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.