Home / 7,780.05-11,666.57-2,232.14

Finding the Fourth Proportional to 7,780.05, 11,666.57 and 2,232.14

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Solution

The fourth proportional to 7,780.05, 11,666.57 and 2,232.14 is: 3,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.05 : 11,666.57 = 2,232.14 : x
  2. Step 2: Convert to fraction form
    7,780.05/11,666.57 = 2,232.14/x
  3. Step 3: Cross multiply
    7,780.05x = 11,666.57 × 2,232.14
  4. Step 4: Simplify right side
    7,780.05x = 26,041,348.07
  5. Step 5: Solve for x
    x = 26,041,348.07/7,780.05
  6. Step 6: Final answer
    x = 3,347.20

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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.