Home / 5,427.18-7,489.80-3,437.01

Finding the Fourth Proportional to 5,427.18, 7,489.80 and 3,437.01

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Solution

The fourth proportional to 5,427.18, 7,489.80 and 3,437.01 is: 4,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.18 : 7,489.80 = 3,437.01 : x
  2. Step 2: Convert to fraction form
    5,427.18/7,489.80 = 3,437.01/x
  3. Step 3: Cross multiply
    5,427.18x = 7,489.80 × 3,437.01
  4. Step 4: Simplify right side
    5,427.18x = 25,742,517.50
  5. Step 5: Solve for x
    x = 25,742,517.50/5,427.18
  6. Step 6: Final answer
    x = 4,743.26

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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.