Home / 4,225.78-6,340.16-1,887.44

Finding the Fourth Proportional to 4,225.78, 6,340.16 and 1,887.44

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Solution

The fourth proportional to 4,225.78, 6,340.16 and 1,887.44 is: 2,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.78 : 6,340.16 = 1,887.44 : x
  2. Step 2: Convert to fraction form
    4,225.78/6,340.16 = 1,887.44/x
  3. Step 3: Cross multiply
    4,225.78x = 6,340.16 × 1,887.44
  4. Step 4: Simplify right side
    4,225.78x = 11,966,678.00
  5. Step 5: Solve for x
    x = 11,966,678.00/4,225.78
  6. Step 6: Final answer
    x = 2,831.83

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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.