Home / 6,690.53-9,234.47-4,452.50

Finding the Fourth Proportional to 6,690.53, 9,234.47 and 4,452.50

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Solution

The fourth proportional to 6,690.53, 9,234.47 and 4,452.50 is: 6,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.53 : 9,234.47 = 4,452.50 : x
  2. Step 2: Convert to fraction form
    6,690.53/9,234.47 = 4,452.50/x
  3. Step 3: Cross multiply
    6,690.53x = 9,234.47 × 4,452.50
  4. Step 4: Simplify right side
    6,690.53x = 41,116,477.68
  5. Step 5: Solve for x
    x = 41,116,477.68/6,690.53
  6. Step 6: Final answer
    x = 6,145.47

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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.