Home / 5,810.43-8,017.47-3,420.53

Finding the Fourth Proportional to 5,810.43, 8,017.47 and 3,420.53

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Solution

The fourth proportional to 5,810.43, 8,017.47 and 3,420.53 is: 4,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.43 : 8,017.47 = 3,420.53 : x
  2. Step 2: Convert to fraction form
    5,810.43/8,017.47 = 3,420.53/x
  3. Step 3: Cross multiply
    5,810.43x = 8,017.47 × 3,420.53
  4. Step 4: Simplify right side
    5,810.43x = 27,423,956.57
  5. Step 5: Solve for x
    x = 27,423,956.57/5,810.43
  6. Step 6: Final answer
    x = 4,719.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.