Home / 7,177.40-9,903.29-4,344.21

Finding the Fourth Proportional to 7,177.40, 9,903.29 and 4,344.21

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Solution

The fourth proportional to 7,177.40, 9,903.29 and 4,344.21 is: 5,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.40 : 9,903.29 = 4,344.21 : x
  2. Step 2: Convert to fraction form
    7,177.40/9,903.29 = 4,344.21/x
  3. Step 3: Cross multiply
    7,177.40x = 9,903.29 × 4,344.21
  4. Step 4: Simplify right side
    7,177.40x = 43,021,949.73
  5. Step 5: Solve for x
    x = 43,021,949.73/7,177.40
  6. Step 6: Final answer
    x = 5,994.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.