Home / 5,577.12-7,696.14-3,219.12

Finding the Fourth Proportional to 5,577.12, 7,696.14 and 3,219.12

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Solution

The fourth proportional to 5,577.12, 7,696.14 and 3,219.12 is: 4,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.12 : 7,696.14 = 3,219.12 : x
  2. Step 2: Convert to fraction form
    5,577.12/7,696.14 = 3,219.12/x
  3. Step 3: Cross multiply
    5,577.12x = 7,696.14 × 3,219.12
  4. Step 4: Simplify right side
    5,577.12x = 24,774,798.20
  5. Step 5: Solve for x
    x = 24,774,798.20/5,577.12
  6. Step 6: Final answer
    x = 4,442.22

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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.