Home / 4,118.90-6,177.08-1,197.50

Finding the Fourth Proportional to 4,118.90, 6,177.08 and 1,197.50

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Solution

The fourth proportional to 4,118.90, 6,177.08 and 1,197.50 is: 1,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.90 : 6,177.08 = 1,197.50 : x
  2. Step 2: Convert to fraction form
    4,118.90/6,177.08 = 1,197.50/x
  3. Step 3: Cross multiply
    4,118.90x = 6,177.08 × 1,197.50
  4. Step 4: Simplify right side
    4,118.90x = 7,397,053.30
  5. Step 5: Solve for x
    x = 7,397,053.30/4,118.90
  6. Step 6: Final answer
    x = 1,795.88

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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.