Home / 6,478.22-9,716.52-1,798.58

Finding the Fourth Proportional to 6,478.22, 9,716.52 and 1,798.58

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Solution

The fourth proportional to 6,478.22, 9,716.52 and 1,798.58 is: 2,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.22 : 9,716.52 = 1,798.58 : x
  2. Step 2: Convert to fraction form
    6,478.22/9,716.52 = 1,798.58/x
  3. Step 3: Cross multiply
    6,478.22x = 9,716.52 × 1,798.58
  4. Step 4: Simplify right side
    6,478.22x = 17,475,938.54
  5. Step 5: Solve for x
    x = 17,475,938.54/6,478.22
  6. Step 6: Final answer
    x = 2,697.65

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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.