Home / 4,398.80-6,598.63-1,278.83

Finding the Fourth Proportional to 4,398.80, 6,598.63 and 1,278.83

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Solution

The fourth proportional to 4,398.80, 6,598.63 and 1,278.83 is: 1,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.80 : 6,598.63 = 1,278.83 : x
  2. Step 2: Convert to fraction form
    4,398.80/6,598.63 = 1,278.83/x
  3. Step 3: Cross multiply
    4,398.80x = 6,598.63 × 1,278.83
  4. Step 4: Simplify right side
    4,398.80x = 8,438,519.61
  5. Step 5: Solve for x
    x = 8,438,519.61/4,398.80
  6. Step 6: Final answer
    x = 1,918.37

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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.