Home / 7,145.60-10,718.66-2,465.76

Finding the Fourth Proportional to 7,145.60, 10,718.66 and 2,465.76

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Solution

The fourth proportional to 7,145.60, 10,718.66 and 2,465.76 is: 3,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.60 : 10,718.66 = 2,465.76 : x
  2. Step 2: Convert to fraction form
    7,145.60/10,718.66 = 2,465.76/x
  3. Step 3: Cross multiply
    7,145.60x = 10,718.66 × 2,465.76
  4. Step 4: Simplify right side
    7,145.60x = 26,429,630.75
  5. Step 5: Solve for x
    x = 26,429,630.75/7,145.60
  6. Step 6: Final answer
    x = 3,698.73

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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.