Home / 5,071.24-7,607.88-1,786.66

Finding the Fourth Proportional to 5,071.24, 7,607.88 and 1,786.66

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Solution

The fourth proportional to 5,071.24, 7,607.88 and 1,786.66 is: 2,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.24 : 7,607.88 = 1,786.66 : x
  2. Step 2: Convert to fraction form
    5,071.24/7,607.88 = 1,786.66/x
  3. Step 3: Cross multiply
    5,071.24x = 7,607.88 × 1,786.66
  4. Step 4: Simplify right side
    5,071.24x = 13,592,694.88
  5. Step 5: Solve for x
    x = 13,592,694.88/5,071.24
  6. Step 6: Final answer
    x = 2,680.35

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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.