Home / 4,218.80-5,816.52-3,459.80

Finding the Fourth Proportional to 4,218.80, 5,816.52 and 3,459.80

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Solution

The fourth proportional to 4,218.80, 5,816.52 and 3,459.80 is: 4,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.80 : 5,816.52 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    4,218.80/5,816.52 = 3,459.80/x
  3. Step 3: Cross multiply
    4,218.80x = 5,816.52 × 3,459.80
  4. Step 4: Simplify right side
    4,218.80x = 20,123,966.81
  5. Step 5: Solve for x
    x = 20,123,966.81/4,218.80
  6. Step 6: Final answer
    x = 4,770.07

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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.