Home / 6,678.68-9,219.63-4,765.95

Finding the Fourth Proportional to 6,678.68, 9,219.63 and 4,765.95

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Solution

The fourth proportional to 6,678.68, 9,219.63 and 4,765.95 is: 6,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.68 : 9,219.63 = 4,765.95 : x
  2. Step 2: Convert to fraction form
    6,678.68/9,219.63 = 4,765.95/x
  3. Step 3: Cross multiply
    6,678.68x = 9,219.63 × 4,765.95
  4. Step 4: Simplify right side
    6,678.68x = 43,940,295.60
  5. Step 5: Solve for x
    x = 43,940,295.60/6,678.68
  6. Step 6: Final answer
    x = 6,579.19

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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.