Home / 7,160.28-10,739.20-1,895.35

Finding the Fourth Proportional to 7,160.28, 10,739.20 and 1,895.35

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Solution

The fourth proportional to 7,160.28, 10,739.20 and 1,895.35 is: 2,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.28 : 10,739.20 = 1,895.35 : x
  2. Step 2: Convert to fraction form
    7,160.28/10,739.20 = 1,895.35/x
  3. Step 3: Cross multiply
    7,160.28x = 10,739.20 × 1,895.35
  4. Step 4: Simplify right side
    7,160.28x = 20,354,542.72
  5. Step 5: Solve for x
    x = 20,354,542.72/7,160.28
  6. Step 6: Final answer
    x = 2,842.70

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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.