Home / 7,788.00-10,747.49-4,251.23

Finding the Fourth Proportional to 7,788.00, 10,747.49 and 4,251.23

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Solution

The fourth proportional to 7,788.00, 10,747.49 and 4,251.23 is: 5,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.00 : 10,747.49 = 4,251.23 : x
  2. Step 2: Convert to fraction form
    7,788.00/10,747.49 = 4,251.23/x
  3. Step 3: Cross multiply
    7,788.00x = 10,747.49 × 4,251.23
  4. Step 4: Simplify right side
    7,788.00x = 45,690,017.22
  5. Step 5: Solve for x
    x = 45,690,017.22/7,788.00
  6. Step 6: Final answer
    x = 5,866.72

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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.