Home / 6,969.29-9,615.75-4,134.30

Finding the Fourth Proportional to 6,969.29, 9,615.75 and 4,134.30

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Solution

The fourth proportional to 6,969.29, 9,615.75 and 4,134.30 is: 5,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.29 : 9,615.75 = 4,134.30 : x
  2. Step 2: Convert to fraction form
    6,969.29/9,615.75 = 4,134.30/x
  3. Step 3: Cross multiply
    6,969.29x = 9,615.75 × 4,134.30
  4. Step 4: Simplify right side
    6,969.29x = 39,754,395.23
  5. Step 5: Solve for x
    x = 39,754,395.23/6,969.29
  6. Step 6: Final answer
    x = 5,704.22

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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.