Home / 7,590.12-11,356.38-6,822.76

Finding the Fourth Proportional to 7,590.12, 11,356.38 and 6,822.76

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Solution

The fourth proportional to 7,590.12, 11,356.38 and 6,822.76 is: 10,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.12 : 11,356.38 = 6,822.76 : x
  2. Step 2: Convert to fraction form
    7,590.12/11,356.38 = 6,822.76/x
  3. Step 3: Cross multiply
    7,590.12x = 11,356.38 × 6,822.76
  4. Step 4: Simplify right side
    7,590.12x = 77,481,855.21
  5. Step 5: Solve for x
    x = 77,481,855.21/7,590.12
  6. Step 6: Final answer
    x = 10,208.25

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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.