Home / 4,789.26-6,607.17-3,111.30

Finding the Fourth Proportional to 4,789.26, 6,607.17 and 3,111.30

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Solution

The fourth proportional to 4,789.26, 6,607.17 and 3,111.30 is: 4,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.26 : 6,607.17 = 3,111.30 : x
  2. Step 2: Convert to fraction form
    4,789.26/6,607.17 = 3,111.30/x
  3. Step 3: Cross multiply
    4,789.26x = 6,607.17 × 3,111.30
  4. Step 4: Simplify right side
    4,789.26x = 20,556,888.02
  5. Step 5: Solve for x
    x = 20,556,888.02/4,789.26
  6. Step 6: Final answer
    x = 4,292.29

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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.