Home / 4,005.51-6,008.12-1,812.70

Finding the Fourth Proportional to 4,005.51, 6,008.12 and 1,812.70

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Solution

The fourth proportional to 4,005.51, 6,008.12 and 1,812.70 is: 2,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.51 : 6,008.12 = 1,812.70 : x
  2. Step 2: Convert to fraction form
    4,005.51/6,008.12 = 1,812.70/x
  3. Step 3: Cross multiply
    4,005.51x = 6,008.12 × 1,812.70
  4. Step 4: Simplify right side
    4,005.51x = 10,890,919.12
  5. Step 5: Solve for x
    x = 10,890,919.12/4,005.51
  6. Step 6: Final answer
    x = 2,718.98

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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.