Home / 5,906.40-8,860.80-2,011.20

Finding the Fourth Proportional to 5,906.40, 8,860.80 and 2,011.20

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Solution

The fourth proportional to 5,906.40, 8,860.80 and 2,011.20 is: 3,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.40 : 8,860.80 = 2,011.20 : x
  2. Step 2: Convert to fraction form
    5,906.40/8,860.80 = 2,011.20/x
  3. Step 3: Cross multiply
    5,906.40x = 8,860.80 × 2,011.20
  4. Step 4: Simplify right side
    5,906.40x = 17,820,840.96
  5. Step 5: Solve for x
    x = 17,820,840.96/5,906.40
  6. Step 6: Final answer
    x = 3,017.21

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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.