Home / 7,867.53-10,856.97-4,684.50

Finding the Fourth Proportional to 7,867.53, 10,856.97 and 4,684.50

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Solution

The fourth proportional to 7,867.53, 10,856.97 and 4,684.50 is: 6,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.53 : 10,856.97 = 4,684.50 : x
  2. Step 2: Convert to fraction form
    7,867.53/10,856.97 = 4,684.50/x
  3. Step 3: Cross multiply
    7,867.53x = 10,856.97 × 4,684.50
  4. Step 4: Simplify right side
    7,867.53x = 50,859,475.97
  5. Step 5: Solve for x
    x = 50,859,475.97/7,867.53
  6. Step 6: Final answer
    x = 6,464.48

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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.