Home / 5,207.94-7,801.44-2,430.78

Finding the Fourth Proportional to 5,207.94, 7,801.44 and 2,430.78

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Solution

The fourth proportional to 5,207.94, 7,801.44 and 2,430.78 is: 3,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.94 : 7,801.44 = 2,430.78 : x
  2. Step 2: Convert to fraction form
    5,207.94/7,801.44 = 2,430.78/x
  3. Step 3: Cross multiply
    5,207.94x = 7,801.44 × 2,430.78
  4. Step 4: Simplify right side
    5,207.94x = 18,963,584.32
  5. Step 5: Solve for x
    x = 18,963,584.32/5,207.94
  6. Step 6: Final answer
    x = 3,641.28

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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.