Home / 5,281.80-7,289.64-3,043.68

Finding the Fourth Proportional to 5,281.80, 7,289.64 and 3,043.68

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Solution

The fourth proportional to 5,281.80, 7,289.64 and 3,043.68 is: 4,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.80 : 7,289.64 = 3,043.68 : x
  2. Step 2: Convert to fraction form
    5,281.80/7,289.64 = 3,043.68/x
  3. Step 3: Cross multiply
    5,281.80x = 7,289.64 × 3,043.68
  4. Step 4: Simplify right side
    5,281.80x = 22,187,331.48
  5. Step 5: Solve for x
    x = 22,187,331.48/5,281.80
  6. Step 6: Final answer
    x = 4,200.71

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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.