Home / 7,790.84-10,758.60-5,001.20

Finding the Fourth Proportional to 7,790.84, 10,758.60 and 5,001.20

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Solution

The fourth proportional to 7,790.84, 10,758.60 and 5,001.20 is: 6,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.84 : 10,758.60 = 5,001.20 : x
  2. Step 2: Convert to fraction form
    7,790.84/10,758.60 = 5,001.20/x
  3. Step 3: Cross multiply
    7,790.84x = 10,758.60 × 5,001.20
  4. Step 4: Simplify right side
    7,790.84x = 53,805,910.32
  5. Step 5: Solve for x
    x = 53,805,910.32/7,790.84
  6. Step 6: Final answer
    x = 6,906.30

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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.