Home / 4,398.63-6,598.37-1,278.66

Finding the Fourth Proportional to 4,398.63, 6,598.37 and 1,278.66

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Solution

The fourth proportional to 4,398.63, 6,598.37 and 1,278.66 is: 1,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.63 : 6,598.37 = 1,278.66 : x
  2. Step 2: Convert to fraction form
    4,398.63/6,598.37 = 1,278.66/x
  3. Step 3: Cross multiply
    4,398.63x = 6,598.37 × 1,278.66
  4. Step 4: Simplify right side
    4,398.63x = 8,437,045.44
  5. Step 5: Solve for x
    x = 8,437,045.44/4,398.63
  6. Step 6: Final answer
    x = 1,918.11

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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.