Home / 5,556.40-8,335.96-3,916.15

Finding the Fourth Proportional to 5,556.40, 8,335.96 and 3,916.15

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Solution

The fourth proportional to 5,556.40, 8,335.96 and 3,916.15 is: 5,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.40 : 8,335.96 = 3,916.15 : x
  2. Step 2: Convert to fraction form
    5,556.40/8,335.96 = 3,916.15/x
  3. Step 3: Cross multiply
    5,556.40x = 8,335.96 × 3,916.15
  4. Step 4: Simplify right side
    5,556.40x = 32,644,854.75
  5. Step 5: Solve for x
    x = 32,644,854.75/5,556.40
  6. Step 6: Final answer
    x = 5,875.18

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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.