Home / 5,166.24-7,749.87-1,655.36

Finding the Fourth Proportional to 5,166.24, 7,749.87 and 1,655.36

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Solution

The fourth proportional to 5,166.24, 7,749.87 and 1,655.36 is: 2,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.24 : 7,749.87 = 1,655.36 : x
  2. Step 2: Convert to fraction form
    5,166.24/7,749.87 = 1,655.36/x
  3. Step 3: Cross multiply
    5,166.24x = 7,749.87 × 1,655.36
  4. Step 4: Simplify right side
    5,166.24x = 12,828,844.18
  5. Step 5: Solve for x
    x = 12,828,844.18/5,166.24
  6. Step 6: Final answer
    x = 2,483.21

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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.