Home / 7,177.95-10,762.52-2,790.29

Finding the Fourth Proportional to 7,177.95, 10,762.52 and 2,790.29

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Solution

The fourth proportional to 7,177.95, 10,762.52 and 2,790.29 is: 4,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.95 : 10,762.52 = 2,790.29 : x
  2. Step 2: Convert to fraction form
    7,177.95/10,762.52 = 2,790.29/x
  3. Step 3: Cross multiply
    7,177.95x = 10,762.52 × 2,790.29
  4. Step 4: Simplify right side
    7,177.95x = 30,030,564.89
  5. Step 5: Solve for x
    x = 30,030,564.89/7,177.95
  6. Step 6: Final answer
    x = 4,183.72

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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.