Home / 4,398.89-6,597.26-1,278.05

Finding the Fourth Proportional to 4,398.89, 6,597.26 and 1,278.05

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Solution

The fourth proportional to 4,398.89, 6,597.26 and 1,278.05 is: 1,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.89 : 6,597.26 = 1,278.05 : x
  2. Step 2: Convert to fraction form
    4,398.89/6,597.26 = 1,278.05/x
  3. Step 3: Cross multiply
    4,398.89x = 6,597.26 × 1,278.05
  4. Step 4: Simplify right side
    4,398.89x = 8,431,588.77
  5. Step 5: Solve for x
    x = 8,431,588.77/4,398.89
  6. Step 6: Final answer
    x = 1,916.76

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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.