Home / 7,530.80-11,281.08-4,238.96

Finding the Fourth Proportional to 7,530.80, 11,281.08 and 4,238.96

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Solution

The fourth proportional to 7,530.80, 11,281.08 and 4,238.96 is: 6,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.80 : 11,281.08 = 4,238.96 : x
  2. Step 2: Convert to fraction form
    7,530.80/11,281.08 = 4,238.96/x
  3. Step 3: Cross multiply
    7,530.80x = 11,281.08 × 4,238.96
  4. Step 4: Simplify right side
    7,530.80x = 47,820,046.88
  5. Step 5: Solve for x
    x = 47,820,046.88/7,530.80
  6. Step 6: Final answer
    x = 6,349.93

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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.