Home / 8,210.75-11,331.12-4,484.99

Finding the Fourth Proportional to 8,210.75, 11,331.12 and 4,484.99

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Solution

The fourth proportional to 8,210.75, 11,331.12 and 4,484.99 is: 6,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.75 : 11,331.12 = 4,484.99 : x
  2. Step 2: Convert to fraction form
    8,210.75/11,331.12 = 4,484.99/x
  3. Step 3: Cross multiply
    8,210.75x = 11,331.12 × 4,484.99
  4. Step 4: Simplify right side
    8,210.75x = 50,819,937.46
  5. Step 5: Solve for x
    x = 50,819,937.46/8,210.75
  6. Step 6: Final answer
    x = 6,189.44

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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.