Home / 5,619.31-8,426.51-2,986.18

Finding the Fourth Proportional to 5,619.31, 8,426.51 and 2,986.18

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Solution

The fourth proportional to 5,619.31, 8,426.51 and 2,986.18 is: 4,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.31 : 8,426.51 = 2,986.18 : x
  2. Step 2: Convert to fraction form
    5,619.31/8,426.51 = 2,986.18/x
  3. Step 3: Cross multiply
    5,619.31x = 8,426.51 × 2,986.18
  4. Step 4: Simplify right side
    5,619.31x = 25,163,018.57
  5. Step 5: Solve for x
    x = 25,163,018.57/5,619.31
  6. Step 6: Final answer
    x = 4,477.96

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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.