Home / 4,239.89-6,358.38-1,642.13

Finding the Fourth Proportional to 4,239.89, 6,358.38 and 1,642.13

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Solution

The fourth proportional to 4,239.89, 6,358.38 and 1,642.13 is: 2,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.89 : 6,358.38 = 1,642.13 : x
  2. Step 2: Convert to fraction form
    4,239.89/6,358.38 = 1,642.13/x
  3. Step 3: Cross multiply
    4,239.89x = 6,358.38 × 1,642.13
  4. Step 4: Simplify right side
    4,239.89x = 10,441,254.76
  5. Step 5: Solve for x
    x = 10,441,254.76/4,239.89
  6. Step 6: Final answer
    x = 2,462.63

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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.