Home / 5,475.90-8,214.48-1,580.34

Finding the Fourth Proportional to 5,475.90, 8,214.48 and 1,580.34

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Solution

The fourth proportional to 5,475.90, 8,214.48 and 1,580.34 is: 2,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.90 : 8,214.48 = 1,580.34 : x
  2. Step 2: Convert to fraction form
    5,475.90/8,214.48 = 1,580.34/x
  3. Step 3: Cross multiply
    5,475.90x = 8,214.48 × 1,580.34
  4. Step 4: Simplify right side
    5,475.90x = 12,981,671.32
  5. Step 5: Solve for x
    x = 12,981,671.32/5,475.90
  6. Step 6: Final answer
    x = 2,370.69

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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.