Home / 5,580.34-8,364.62-1,881.28

Finding the Fourth Proportional to 5,580.34, 8,364.62 and 1,881.28

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Solution

The fourth proportional to 5,580.34, 8,364.62 and 1,881.28 is: 2,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.34 : 8,364.62 = 1,881.28 : x
  2. Step 2: Convert to fraction form
    5,580.34/8,364.62 = 1,881.28/x
  3. Step 3: Cross multiply
    5,580.34x = 8,364.62 × 1,881.28
  4. Step 4: Simplify right side
    5,580.34x = 15,736,192.31
  5. Step 5: Solve for x
    x = 15,736,192.31/5,580.34
  6. Step 6: Final answer
    x = 2,819.93

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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.