Home / 7,867.29-10,856.76-4,330.42

Finding the Fourth Proportional to 7,867.29, 10,856.76 and 4,330.42

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Solution

The fourth proportional to 7,867.29, 10,856.76 and 4,330.42 is: 5,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.29 : 10,856.76 = 4,330.42 : x
  2. Step 2: Convert to fraction form
    7,867.29/10,856.76 = 4,330.42/x
  3. Step 3: Cross multiply
    7,867.29x = 10,856.76 × 4,330.42
  4. Step 4: Simplify right side
    7,867.29x = 47,014,330.64
  5. Step 5: Solve for x
    x = 47,014,330.64/7,867.29
  6. Step 6: Final answer
    x = 5,975.92

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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.