Home / 10,400.48-15,590.88-3,470

Finding the Fourth Proportional to 10,400.48, 15,590.88 and 3,470

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Solution

The fourth proportional to 10,400.48, 15,590.88 and 3,470 is: 5,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.48 : 15,590.88 = 3,470 : x
  2. Step 2: Convert to fraction form
    10,400.48/15,590.88 = 3,470/x
  3. Step 3: Cross multiply
    10,400.48x = 15,590.88 × 3,470
  4. Step 4: Simplify right side
    10,400.48x = 54,100,353.60
  5. Step 5: Solve for x
    x = 54,100,353.60/10,400.48
  6. Step 6: Final answer
    x = 5,201.72

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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.