Home / 7,450.62-10,280.19-4,620.30

Finding the Fourth Proportional to 7,450.62, 10,280.19 and 4,620.30

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Solution

The fourth proportional to 7,450.62, 10,280.19 and 4,620.30 is: 6,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.62 : 10,280.19 = 4,620.30 : x
  2. Step 2: Convert to fraction form
    7,450.62/10,280.19 = 4,620.30/x
  3. Step 3: Cross multiply
    7,450.62x = 10,280.19 × 4,620.30
  4. Step 4: Simplify right side
    7,450.62x = 47,497,561.86
  5. Step 5: Solve for x
    x = 47,497,561.86/7,450.62
  6. Step 6: Final answer
    x = 6,374.98

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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.