Home / 6,655.48-9,979.72-1,974.84

Finding the Fourth Proportional to 6,655.48, 9,979.72 and 1,974.84

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Solution

The fourth proportional to 6,655.48, 9,979.72 and 1,974.84 is: 2,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.48 : 9,979.72 = 1,974.84 : x
  2. Step 2: Convert to fraction form
    6,655.48/9,979.72 = 1,974.84/x
  3. Step 3: Cross multiply
    6,655.48x = 9,979.72 × 1,974.84
  4. Step 4: Simplify right side
    6,655.48x = 19,708,350.24
  5. Step 5: Solve for x
    x = 19,708,350.24/6,655.48
  6. Step 6: Final answer
    x = 2,961.22

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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.