Home / 8,809.05-12,156.28-4,775.66

Finding the Fourth Proportional to 8,809.05, 12,156.28 and 4,775.66

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Solution

The fourth proportional to 8,809.05, 12,156.28 and 4,775.66 is: 6,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.05 : 12,156.28 = 4,775.66 : x
  2. Step 2: Convert to fraction form
    8,809.05/12,156.28 = 4,775.66/x
  3. Step 3: Cross multiply
    8,809.05x = 12,156.28 × 4,775.66
  4. Step 4: Simplify right side
    8,809.05x = 58,054,233.01
  5. Step 5: Solve for x
    x = 58,054,233.01/8,809.05
  6. Step 6: Final answer
    x = 6,590.29

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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.