Home / 7,867.25-10,856.81-4,330.45

Finding the Fourth Proportional to 7,867.25, 10,856.81 and 4,330.45

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Solution

The fourth proportional to 7,867.25, 10,856.81 and 4,330.45 is: 5,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.25 : 10,856.81 = 4,330.45 : x
  2. Step 2: Convert to fraction form
    7,867.25/10,856.81 = 4,330.45/x
  3. Step 3: Cross multiply
    7,867.25x = 10,856.81 × 4,330.45
  4. Step 4: Simplify right side
    7,867.25x = 47,014,796.93
  5. Step 5: Solve for x
    x = 47,014,796.93/7,867.25
  6. Step 6: Final answer
    x = 5,976.01

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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.