Home / 5,277.60-7,916.40-3,327.12

Finding the Fourth Proportional to 5,277.60, 7,916.40 and 3,327.12

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Solution

The fourth proportional to 5,277.60, 7,916.40 and 3,327.12 is: 4,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,916.40 = 3,327.12 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,916.40 = 3,327.12/x
  3. Step 3: Cross multiply
    5,277.60x = 7,916.40 × 3,327.12
  4. Step 4: Simplify right side
    5,277.60x = 26,338,812.77
  5. Step 5: Solve for x
    x = 26,338,812.77/5,277.60
  6. Step 6: Final answer
    x = 4,990.68

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1.5x scale

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.