Home / 6,111.40-9,167.10-3,476.20

Finding the Fourth Proportional to 6,111.40, 9,167.10 and 3,476.20

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Solution

The fourth proportional to 6,111.40, 9,167.10 and 3,476.20 is: 5,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.40 : 9,167.10 = 3,476.20 : x
  2. Step 2: Convert to fraction form
    6,111.40/9,167.10 = 3,476.20/x
  3. Step 3: Cross multiply
    6,111.40x = 9,167.10 × 3,476.20
  4. Step 4: Simplify right side
    6,111.40x = 31,866,673.02
  5. Step 5: Solve for x
    x = 31,866,673.02/6,111.40
  6. Step 6: Final answer
    x = 5,214.30

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1.5x scale

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.