Home / 4,647.19-6,969.99-1,527.12

Finding the Fourth Proportional to 4,647.19, 6,969.99 and 1,527.12

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Solution

The fourth proportional to 4,647.19, 6,969.99 and 1,527.12 is: 2,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.19 : 6,969.99 = 1,527.12 : x
  2. Step 2: Convert to fraction form
    4,647.19/6,969.99 = 1,527.12/x
  3. Step 3: Cross multiply
    4,647.19x = 6,969.99 × 1,527.12
  4. Step 4: Simplify right side
    4,647.19x = 10,643,976.28
  5. Step 5: Solve for x
    x = 10,643,976.28/4,647.19
  6. Step 6: Final answer
    x = 2,290.41

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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.