Home / 8,910.81-13,366.08-2,670.84

Finding the Fourth Proportional to 8,910.81, 13,366.08 and 2,670.84

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Solution

The fourth proportional to 8,910.81, 13,366.08 and 2,670.84 is: 4,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.81 : 13,366.08 = 2,670.84 : x
  2. Step 2: Convert to fraction form
    8,910.81/13,366.08 = 2,670.84/x
  3. Step 3: Cross multiply
    8,910.81x = 13,366.08 × 2,670.84
  4. Step 4: Simplify right side
    8,910.81x = 35,698,661.11
  5. Step 5: Solve for x
    x = 35,698,661.11/8,910.81
  6. Step 6: Final answer
    x = 4,006.22

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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.