Home / 7,867.87-10,859.23-4,512.95

Finding the Fourth Proportional to 7,867.87, 10,859.23 and 4,512.95

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Solution

The fourth proportional to 7,867.87, 10,859.23 and 4,512.95 is: 6,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.87 : 10,859.23 = 4,512.95 : x
  2. Step 2: Convert to fraction form
    7,867.87/10,859.23 = 4,512.95/x
  3. Step 3: Cross multiply
    7,867.87x = 10,859.23 × 4,512.95
  4. Step 4: Simplify right side
    7,867.87x = 49,007,154.10
  5. Step 5: Solve for x
    x = 49,007,154.10/7,867.87
  6. Step 6: Final answer
    x = 6,228.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.