Home / 5,270.58-7,903.65-2,148.45

Finding the Fourth Proportional to 5,270.58, 7,903.65 and 2,148.45

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Solution

The fourth proportional to 5,270.58, 7,903.65 and 2,148.45 is: 3,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.58 : 7,903.65 = 2,148.45 : x
  2. Step 2: Convert to fraction form
    5,270.58/7,903.65 = 2,148.45/x
  3. Step 3: Cross multiply
    5,270.58x = 7,903.65 × 2,148.45
  4. Step 4: Simplify right side
    5,270.58x = 16,980,596.84
  5. Step 5: Solve for x
    x = 16,980,596.84/5,270.58
  6. Step 6: Final answer
    x = 3,221.77

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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.