Home / 5,166.80-7,129.84-3,070.52

Finding the Fourth Proportional to 5,166.80, 7,129.84 and 3,070.52

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Solution

The fourth proportional to 5,166.80, 7,129.84 and 3,070.52 is: 4,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.80 : 7,129.84 = 3,070.52 : x
  2. Step 2: Convert to fraction form
    5,166.80/7,129.84 = 3,070.52/x
  3. Step 3: Cross multiply
    5,166.80x = 7,129.84 × 3,070.52
  4. Step 4: Simplify right side
    5,166.80x = 21,892,316.32
  5. Step 5: Solve for x
    x = 21,892,316.32/5,166.80
  6. Step 6: Final answer
    x = 4,237.11

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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.