Home / 5,184.45-7,770.52-2,988.64

Finding the Fourth Proportional to 5,184.45, 7,770.52 and 2,988.64

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Solution

The fourth proportional to 5,184.45, 7,770.52 and 2,988.64 is: 4,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.45 : 7,770.52 = 2,988.64 : x
  2. Step 2: Convert to fraction form
    5,184.45/7,770.52 = 2,988.64/x
  3. Step 3: Cross multiply
    5,184.45x = 7,770.52 × 2,988.64
  4. Step 4: Simplify right side
    5,184.45x = 23,223,300.34
  5. Step 5: Solve for x
    x = 23,223,300.34/5,184.45
  6. Step 6: Final answer
    x = 4,479.41

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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.