Home / 5,579.23-8,370.08-1,881.28

Finding the Fourth Proportional to 5,579.23, 8,370.08 and 1,881.28

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Solution

The fourth proportional to 5,579.23, 8,370.08 and 1,881.28 is: 2,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.23 : 8,370.08 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    5,579.23/8,370.08 = 1,881.28/x
  3. Step 3: Cross multiply
    5,579.23x = 8,370.08 × 1,881.28
  4. Step 4: Simplify right side
    5,579.23x = 15,746,435.71
  5. Step 5: Solve for x
    x = 15,746,435.71/5,579.23
  6. Step 6: Final answer
    x = 2,822.33

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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.