Home / 6,214.20-9,320.40-1,831.44

Finding the Fourth Proportional to 6,214.20, 9,320.40 and 1,831.44

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Solution

The fourth proportional to 6,214.20, 9,320.40 and 1,831.44 is: 2,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.20 : 9,320.40 = 1,831.44 : x
  2. Step 2: Convert to fraction form
    6,214.20/9,320.40 = 1,831.44/x
  3. Step 3: Cross multiply
    6,214.20x = 9,320.40 × 1,831.44
  4. Step 4: Simplify right side
    6,214.20x = 17,069,753.38
  5. Step 5: Solve for x
    x = 17,069,753.38/6,214.20
  6. Step 6: Final answer
    x = 2,746.89

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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.