Home / 8,257.75-11,392.45-4,719.06

Finding the Fourth Proportional to 8,257.75, 11,392.45 and 4,719.06

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Solution

The fourth proportional to 8,257.75, 11,392.45 and 4,719.06 is: 6,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.75 : 11,392.45 = 4,719.06 : x
  2. Step 2: Convert to fraction form
    8,257.75/11,392.45 = 4,719.06/x
  3. Step 3: Cross multiply
    8,257.75x = 11,392.45 × 4,719.06
  4. Step 4: Simplify right side
    8,257.75x = 53,761,643.30
  5. Step 5: Solve for x
    x = 53,761,643.30/8,257.75
  6. Step 6: Final answer
    x = 6,510.45

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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.