Home / 4,127.81-6,191.93-1,530.14

Finding the Fourth Proportional to 4,127.81, 6,191.93 and 1,530.14

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Solution

The fourth proportional to 4,127.81, 6,191.93 and 1,530.14 is: 2,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.81 : 6,191.93 = 1,530.14 : x
  2. Step 2: Convert to fraction form
    4,127.81/6,191.93 = 1,530.14/x
  3. Step 3: Cross multiply
    4,127.81x = 6,191.93 × 1,530.14
  4. Step 4: Simplify right side
    4,127.81x = 9,474,512.12
  5. Step 5: Solve for x
    x = 9,474,512.12/4,127.81
  6. Step 6: Final answer
    x = 2,295.29

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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.