Home / 7,844.47-10,819.91-6,657.37

Finding the Fourth Proportional to 7,844.47, 10,819.91 and 6,657.37

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Solution

The fourth proportional to 7,844.47, 10,819.91 and 6,657.37 is: 9,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.47 : 10,819.91 = 6,657.37 : x
  2. Step 2: Convert to fraction form
    7,844.47/10,819.91 = 6,657.37/x
  3. Step 3: Cross multiply
    7,844.47x = 10,819.91 × 6,657.37
  4. Step 4: Simplify right side
    7,844.47x = 72,032,144.24
  5. Step 5: Solve for x
    x = 72,032,144.24/7,844.47
  6. Step 6: Final answer
    x = 9,182.54

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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.