Home / 8,784.12-13,176.20-2,210.32

Finding the Fourth Proportional to 8,784.12, 13,176.20 and 2,210.32

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Solution

The fourth proportional to 8,784.12, 13,176.20 and 2,210.32 is: 3,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.12 : 13,176.20 = 2,210.32 : x
  2. Step 2: Convert to fraction form
    8,784.12/13,176.20 = 2,210.32/x
  3. Step 3: Cross multiply
    8,784.12x = 13,176.20 × 2,210.32
  4. Step 4: Simplify right side
    8,784.12x = 29,123,618.38
  5. Step 5: Solve for x
    x = 29,123,618.38/8,784.12
  6. Step 6: Final answer
    x = 3,315.49

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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.