Home / 7,867.05-10,856.66-4,330.25

Finding the Fourth Proportional to 7,867.05, 10,856.66 and 4,330.25

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Solution

The fourth proportional to 7,867.05, 10,856.66 and 4,330.25 is: 5,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.05 : 10,856.66 = 4,330.25 : x
  2. Step 2: Convert to fraction form
    7,867.05/10,856.66 = 4,330.25/x
  3. Step 3: Cross multiply
    7,867.05x = 10,856.66 × 4,330.25
  4. Step 4: Simplify right side
    7,867.05x = 47,012,051.97
  5. Step 5: Solve for x
    x = 47,012,051.97/7,867.05
  6. Step 6: Final answer
    x = 5,975.82

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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.