Home / 7,867.11-10,856.41-4,281.92

Finding the Fourth Proportional to 7,867.11, 10,856.41 and 4,281.92

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Solution

The fourth proportional to 7,867.11, 10,856.41 and 4,281.92 is: 5,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.11 : 10,856.41 = 4,281.92 : x
  2. Step 2: Convert to fraction form
    7,867.11/10,856.41 = 4,281.92/x
  3. Step 3: Cross multiply
    7,867.11x = 10,856.41 × 4,281.92
  4. Step 4: Simplify right side
    7,867.11x = 46,486,203.42
  5. Step 5: Solve for x
    x = 46,486,203.42/7,867.11
  6. Step 6: Final answer
    x = 5,908.93

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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.