Home / 7,844.77-10,819.79-5,328.82

Finding the Fourth Proportional to 7,844.77, 10,819.79 and 5,328.82

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Solution

The fourth proportional to 7,844.77, 10,819.79 and 5,328.82 is: 7,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.77 : 10,819.79 = 5,328.82 : x
  2. Step 2: Convert to fraction form
    7,844.77/10,819.79 = 5,328.82/x
  3. Step 3: Cross multiply
    7,844.77x = 10,819.79 × 5,328.82
  4. Step 4: Simplify right side
    7,844.77x = 57,656,686.70
  5. Step 5: Solve for x
    x = 57,656,686.70/7,844.77
  6. Step 6: Final answer
    x = 7,349.70

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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.