Home / 7,867.32-10,863.90-5,874.45

Finding the Fourth Proportional to 7,867.32, 10,863.90 and 5,874.45

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Solution

The fourth proportional to 7,867.32, 10,863.90 and 5,874.45 is: 8,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.32 : 10,863.90 = 5,874.45 : x
  2. Step 2: Convert to fraction form
    7,867.32/10,863.90 = 5,874.45/x
  3. Step 3: Cross multiply
    7,867.32x = 10,863.90 × 5,874.45
  4. Step 4: Simplify right side
    7,867.32x = 63,819,437.36
  5. Step 5: Solve for x
    x = 63,819,437.36/7,867.32
  6. Step 6: Final answer
    x = 8,111.97

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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.