Home / 4,215.80-6,324.69-1,442.49

Finding the Fourth Proportional to 4,215.80, 6,324.69 and 1,442.49

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Solution

The fourth proportional to 4,215.80, 6,324.69 and 1,442.49 is: 2,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.80 : 6,324.69 = 1,442.49 : x
  2. Step 2: Convert to fraction form
    4,215.80/6,324.69 = 1,442.49/x
  3. Step 3: Cross multiply
    4,215.80x = 6,324.69 × 1,442.49
  4. Step 4: Simplify right side
    4,215.80x = 9,123,302.08
  5. Step 5: Solve for x
    x = 9,123,302.08/4,215.80
  6. Step 6: Final answer
    x = 2,164.08

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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.