Home / 4,356.18-6,530.31-1,581.66

Finding the Fourth Proportional to 4,356.18, 6,530.31 and 1,581.66

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Solution

The fourth proportional to 4,356.18, 6,530.31 and 1,581.66 is: 2,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.18 : 6,530.31 = 1,581.66 : x
  2. Step 2: Convert to fraction form
    4,356.18/6,530.31 = 1,581.66/x
  3. Step 3: Cross multiply
    4,356.18x = 6,530.31 × 1,581.66
  4. Step 4: Simplify right side
    4,356.18x = 10,328,730.11
  5. Step 5: Solve for x
    x = 10,328,730.11/4,356.18
  6. Step 6: Final answer
    x = 2,371.05

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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.