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Finding the Fourth Proportional to 5,910.88, 8,823.07 and 5,210.28

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Solution

The fourth proportional to 5,910.88, 8,823.07 and 5,210.28 is: 7,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.88 : 8,823.07 = 5,210.28 : x
  2. Step 2: Convert to fraction form
    5,910.88/8,823.07 = 5,210.28/x
  3. Step 3: Cross multiply
    5,910.88x = 8,823.07 × 5,210.28
  4. Step 4: Simplify right side
    5,910.88x = 45,970,665.16
  5. Step 5: Solve for x
    x = 45,970,665.16/5,910.88
  6. Step 6: Final answer
    x = 7,777.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.