Home / 6,690.11-9,235.44-4,777.43

Finding the Fourth Proportional to 6,690.11, 9,235.44 and 4,777.43

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Solution

The fourth proportional to 6,690.11, 9,235.44 and 4,777.43 is: 6,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.11 : 9,235.44 = 4,777.43 : x
  2. Step 2: Convert to fraction form
    6,690.11/9,235.44 = 4,777.43/x
  3. Step 3: Cross multiply
    6,690.11x = 9,235.44 × 4,777.43
  4. Step 4: Simplify right side
    6,690.11x = 44,121,621.94
  5. Step 5: Solve for x
    x = 44,121,621.94/6,690.11
  6. Step 6: Final answer
    x = 6,595.06

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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.