Home / 7,148.32-10,722.95-2,468.78

Finding the Fourth Proportional to 7,148.32, 10,722.95 and 2,468.78

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Solution

The fourth proportional to 7,148.32, 10,722.95 and 2,468.78 is: 3,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.32 : 10,722.95 = 2,468.78 : x
  2. Step 2: Convert to fraction form
    7,148.32/10,722.95 = 2,468.78/x
  3. Step 3: Cross multiply
    7,148.32x = 10,722.95 × 2,468.78
  4. Step 4: Simplify right side
    7,148.32x = 26,472,588.01
  5. Step 5: Solve for x
    x = 26,472,588.01/7,148.32
  6. Step 6: Final answer
    x = 3,703.33

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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.