Home / 7,019.94-9,687.27-4,224.90

Finding the Fourth Proportional to 7,019.94, 9,687.27 and 4,224.90

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Solution

The fourth proportional to 7,019.94, 9,687.27 and 4,224.90 is: 5,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.94 : 9,687.27 = 4,224.90 : x
  2. Step 2: Convert to fraction form
    7,019.94/9,687.27 = 4,224.90/x
  3. Step 3: Cross multiply
    7,019.94x = 9,687.27 × 4,224.90
  4. Step 4: Simplify right side
    7,019.94x = 40,927,747.02
  5. Step 5: Solve for x
    x = 40,927,747.02/7,019.94
  6. Step 6: Final answer
    x = 5,830.21

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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.