Home / 4,930.86-7,393.56-1,642.16

Finding the Fourth Proportional to 4,930.86, 7,393.56 and 1,642.16

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Solution

The fourth proportional to 4,930.86, 7,393.56 and 1,642.16 is: 2,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.86 : 7,393.56 = 1,642.16 : x
  2. Step 2: Convert to fraction form
    4,930.86/7,393.56 = 1,642.16/x
  3. Step 3: Cross multiply
    4,930.86x = 7,393.56 × 1,642.16
  4. Step 4: Simplify right side
    4,930.86x = 12,141,426.97
  5. Step 5: Solve for x
    x = 12,141,426.97/4,930.86
  6. Step 6: Final answer
    x = 2,462.33

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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.