Home / 7,240.24-10,854.20-2,860.77

Finding the Fourth Proportional to 7,240.24, 10,854.20 and 2,860.77

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Solution

The fourth proportional to 7,240.24, 10,854.20 and 2,860.77 is: 4,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.24 : 10,854.20 = 2,860.77 : x
  2. Step 2: Convert to fraction form
    7,240.24/10,854.20 = 2,860.77/x
  3. Step 3: Cross multiply
    7,240.24x = 10,854.20 × 2,860.77
  4. Step 4: Simplify right side
    7,240.24x = 31,051,356.53
  5. Step 5: Solve for x
    x = 31,051,356.53/7,240.24
  6. Step 6: Final answer
    x = 4,288.72

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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.