Home / 6,112.29-9,156.11-2,820.81

Finding the Fourth Proportional to 6,112.29, 9,156.11 and 2,820.81

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Solution

The fourth proportional to 6,112.29, 9,156.11 and 2,820.81 is: 4,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.29 : 9,156.11 = 2,820.81 : x
  2. Step 2: Convert to fraction form
    6,112.29/9,156.11 = 2,820.81/x
  3. Step 3: Cross multiply
    6,112.29x = 9,156.11 × 2,820.81
  4. Step 4: Simplify right side
    6,112.29x = 25,827,632.55
  5. Step 5: Solve for x
    x = 25,827,632.55/6,112.29
  6. Step 6: Final answer
    x = 4,225.52

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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.