Home / 7,161.40-9,882.70-4,017.52

Finding the Fourth Proportional to 7,161.40, 9,882.70 and 4,017.52

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Solution

The fourth proportional to 7,161.40, 9,882.70 and 4,017.52 is: 5,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.40 : 9,882.70 = 4,017.52 : x
  2. Step 2: Convert to fraction form
    7,161.40/9,882.70 = 4,017.52/x
  3. Step 3: Cross multiply
    7,161.40x = 9,882.70 × 4,017.52
  4. Step 4: Simplify right side
    7,161.40x = 39,703,944.90
  5. Step 5: Solve for x
    x = 39,703,944.90/7,161.40
  6. Step 6: Final answer
    x = 5,544.16

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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.