Home / 7,320.12-10,980.20-1,773.46

Finding the Fourth Proportional to 7,320.12, 10,980.20 and 1,773.46

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Solution

The fourth proportional to 7,320.12, 10,980.20 and 1,773.46 is: 2,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.12 : 10,980.20 = 1,773.46 : x
  2. Step 2: Convert to fraction form
    7,320.12/10,980.20 = 1,773.46/x
  3. Step 3: Cross multiply
    7,320.12x = 10,980.20 × 1,773.46
  4. Step 4: Simplify right side
    7,320.12x = 19,472,945.49
  5. Step 5: Solve for x
    x = 19,472,945.49/7,320.12
  6. Step 6: Final answer
    x = 2,660.19

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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.