Home / 4,398.70-6,598.03-1,111.80

Finding the Fourth Proportional to 4,398.70, 6,598.03 and 1,111.80

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Solution

The fourth proportional to 4,398.70, 6,598.03 and 1,111.80 is: 1,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.70 : 6,598.03 = 1,111.80 : x
  2. Step 2: Convert to fraction form
    4,398.70/6,598.03 = 1,111.80/x
  3. Step 3: Cross multiply
    4,398.70x = 6,598.03 × 1,111.80
  4. Step 4: Simplify right side
    4,398.70x = 7,335,689.75
  5. Step 5: Solve for x
    x = 7,335,689.75/4,398.70
  6. Step 6: Final answer
    x = 1,667.69

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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.