Home / 6,623.67-9,138.78-4,607.85

Finding the Fourth Proportional to 6,623.67, 9,138.78 and 4,607.85

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Solution

The fourth proportional to 6,623.67, 9,138.78 and 4,607.85 is: 6,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.67 : 9,138.78 = 4,607.85 : x
  2. Step 2: Convert to fraction form
    6,623.67/9,138.78 = 4,607.85/x
  3. Step 3: Cross multiply
    6,623.67x = 9,138.78 × 4,607.85
  4. Step 4: Simplify right side
    6,623.67x = 42,110,127.42
  5. Step 5: Solve for x
    x = 42,110,127.42/6,623.67
  6. Step 6: Final answer
    x = 6,357.52

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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.