Home / 8,284.74-12,399.30-7,601.91

Finding the Fourth Proportional to 8,284.74, 12,399.30 and 7,601.91

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Solution

The fourth proportional to 8,284.74, 12,399.30 and 7,601.91 is: 11,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.74 : 12,399.30 = 7,601.91 : x
  2. Step 2: Convert to fraction form
    8,284.74/12,399.30 = 7,601.91/x
  3. Step 3: Cross multiply
    8,284.74x = 12,399.30 × 7,601.91
  4. Step 4: Simplify right side
    8,284.74x = 94,258,362.66
  5. Step 5: Solve for x
    x = 94,258,362.66/8,284.74
  6. Step 6: Final answer
    x = 11,377.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.