Home / 4,945.66-7,418.88-1,658.75

Finding the Fourth Proportional to 4,945.66, 7,418.88 and 1,658.75

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Solution

The fourth proportional to 4,945.66, 7,418.88 and 1,658.75 is: 2,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.66 : 7,418.88 = 1,658.75 : x
  2. Step 2: Convert to fraction form
    4,945.66/7,418.88 = 1,658.75/x
  3. Step 3: Cross multiply
    4,945.66x = 7,418.88 × 1,658.75
  4. Step 4: Simplify right side
    4,945.66x = 12,306,030.11
  5. Step 5: Solve for x
    x = 12,306,030.11/4,945.66
  6. Step 6: Final answer
    x = 2,488.25

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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.