Home / 8,864.36-12,223.78-6,210.92

Finding the Fourth Proportional to 8,864.36, 12,223.78 and 6,210.92

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Solution

The fourth proportional to 8,864.36, 12,223.78 and 6,210.92 is: 8,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.36 : 12,223.78 = 6,210.92 : x
  2. Step 2: Convert to fraction form
    8,864.36/12,223.78 = 6,210.92/x
  3. Step 3: Cross multiply
    8,864.36x = 12,223.78 × 6,210.92
  4. Step 4: Simplify right side
    8,864.36x = 75,920,919.68
  5. Step 5: Solve for x
    x = 75,920,919.68/8,864.36
  6. Step 6: Final answer
    x = 8,564.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.