Home / 4,411.12-6,616.10-1,124.01

Finding the Fourth Proportional to 4,411.12, 6,616.10 and 1,124.01

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Solution

The fourth proportional to 4,411.12, 6,616.10 and 1,124.01 is: 1,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.12 : 6,616.10 = 1,124.01 : x
  2. Step 2: Convert to fraction form
    4,411.12/6,616.10 = 1,124.01/x
  3. Step 3: Cross multiply
    4,411.12x = 6,616.10 × 1,124.01
  4. Step 4: Simplify right side
    4,411.12x = 7,436,565.37
  5. Step 5: Solve for x
    x = 7,436,565.37/4,411.12
  6. Step 6: Final answer
    x = 1,685.87

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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.