Home / 7,867.13-10,856.63-4,330.34

Finding the Fourth Proportional to 7,867.13, 10,856.63 and 4,330.34

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Solution

The fourth proportional to 7,867.13, 10,856.63 and 4,330.34 is: 5,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.13 : 10,856.63 = 4,330.34 : x
  2. Step 2: Convert to fraction form
    7,867.13/10,856.63 = 4,330.34/x
  3. Step 3: Cross multiply
    7,867.13x = 10,856.63 × 4,330.34
  4. Step 4: Simplify right side
    7,867.13x = 47,012,865.87
  5. Step 5: Solve for x
    x = 47,012,865.87/7,867.13
  6. Step 6: Final answer
    x = 5,975.86

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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.