Home / 5,805.47-8,011.58-3,152.90

Finding the Fourth Proportional to 5,805.47, 8,011.58 and 3,152.90

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Solution

The fourth proportional to 5,805.47, 8,011.58 and 3,152.90 is: 4,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.47 : 8,011.58 = 3,152.90 : x
  2. Step 2: Convert to fraction form
    5,805.47/8,011.58 = 3,152.90/x
  3. Step 3: Cross multiply
    5,805.47x = 8,011.58 × 3,152.90
  4. Step 4: Simplify right side
    5,805.47x = 25,259,654.76
  5. Step 5: Solve for x
    x = 25,259,654.76/5,805.47
  6. Step 6: Final answer
    x = 4,351.01

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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.