Home / 8,690.31-13,035.56-2,846.97

Finding the Fourth Proportional to 8,690.31, 13,035.56 and 2,846.97

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Solution

The fourth proportional to 8,690.31, 13,035.56 and 2,846.97 is: 4,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.31 : 13,035.56 = 2,846.97 : x
  2. Step 2: Convert to fraction form
    8,690.31/13,035.56 = 2,846.97/x
  3. Step 3: Cross multiply
    8,690.31x = 13,035.56 × 2,846.97
  4. Step 4: Simplify right side
    8,690.31x = 37,111,834.02
  5. Step 5: Solve for x
    x = 37,111,834.02/8,690.31
  6. Step 6: Final answer
    x = 4,270.48

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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.