Home / 4,117.05-6,178.02-1,521.81

Finding the Fourth Proportional to 4,117.05, 6,178.02 and 1,521.81

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Solution

The fourth proportional to 4,117.05, 6,178.02 and 1,521.81 is: 2,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.05 : 6,178.02 = 1,521.81 : x
  2. Step 2: Convert to fraction form
    4,117.05/6,178.02 = 1,521.81/x
  3. Step 3: Cross multiply
    4,117.05x = 6,178.02 × 1,521.81
  4. Step 4: Simplify right side
    4,117.05x = 9,401,772.62
  5. Step 5: Solve for x
    x = 9,401,772.62/4,117.05
  6. Step 6: Final answer
    x = 2,283.62

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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.