Home / 6,071.91-9,107.82-1,689.36

Finding the Fourth Proportional to 6,071.91, 9,107.82 and 1,689.36

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Solution

The fourth proportional to 6,071.91, 9,107.82 and 1,689.36 is: 2,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.91 : 9,107.82 = 1,689.36 : x
  2. Step 2: Convert to fraction form
    6,071.91/9,107.82 = 1,689.36/x
  3. Step 3: Cross multiply
    6,071.91x = 9,107.82 × 1,689.36
  4. Step 4: Simplify right side
    6,071.91x = 15,386,332.81
  5. Step 5: Solve for x
    x = 15,386,332.81/6,071.91
  6. Step 6: Final answer
    x = 2,534.02

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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.