Home / 4,503.87-6,218.91-2,911.28

Finding the Fourth Proportional to 4,503.87, 6,218.91 and 2,911.28

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Solution

The fourth proportional to 4,503.87, 6,218.91 and 2,911.28 is: 4,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.87 : 6,218.91 = 2,911.28 : x
  2. Step 2: Convert to fraction form
    4,503.87/6,218.91 = 2,911.28/x
  3. Step 3: Cross multiply
    4,503.87x = 6,218.91 × 2,911.28
  4. Step 4: Simplify right side
    4,503.87x = 18,104,957.21
  5. Step 5: Solve for x
    x = 18,104,957.21/4,503.87
  6. Step 6: Final answer
    x = 4,019.87

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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.