Home / 5,227.08-7,840.86-1,764.36

Finding the Fourth Proportional to 5,227.08, 7,840.86 and 1,764.36

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Solution

The fourth proportional to 5,227.08, 7,840.86 and 1,764.36 is: 2,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.08 : 7,840.86 = 1,764.36 : x
  2. Step 2: Convert to fraction form
    5,227.08/7,840.86 = 1,764.36/x
  3. Step 3: Cross multiply
    5,227.08x = 7,840.86 × 1,764.36
  4. Step 4: Simplify right side
    5,227.08x = 13,834,099.75
  5. Step 5: Solve for x
    x = 13,834,099.75/5,227.08
  6. Step 6: Final answer
    x = 2,646.62

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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.