Home / 5,805.64-8,011.75-3,153.05

Finding the Fourth Proportional to 5,805.64, 8,011.75 and 3,153.05

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Solution

The fourth proportional to 5,805.64, 8,011.75 and 3,153.05 is: 4,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.64 : 8,011.75 = 3,153.05 : x
  2. Step 2: Convert to fraction form
    5,805.64/8,011.75 = 3,153.05/x
  3. Step 3: Cross multiply
    5,805.64x = 8,011.75 × 3,153.05
  4. Step 4: Simplify right side
    5,805.64x = 25,261,392.51
  5. Step 5: Solve for x
    x = 25,261,392.51/5,805.64
  6. Step 6: Final answer
    x = 4,351.19

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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.