Home / 7,479.98-11,220.45-4,395.50

Finding the Fourth Proportional to 7,479.98, 11,220.45 and 4,395.50

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Solution

The fourth proportional to 7,479.98, 11,220.45 and 4,395.50 is: 6,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.98 : 11,220.45 = 4,395.50 : x
  2. Step 2: Convert to fraction form
    7,479.98/11,220.45 = 4,395.50/x
  3. Step 3: Cross multiply
    7,479.98x = 11,220.45 × 4,395.50
  4. Step 4: Simplify right side
    7,479.98x = 49,319,487.98
  5. Step 5: Solve for x
    x = 49,319,487.98/7,479.98
  6. Step 6: Final answer
    x = 6,593.53

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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.