Home / 4,687.11-7,030.35-2,223.90

Finding the Fourth Proportional to 4,687.11, 7,030.35 and 2,223.90

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Solution

The fourth proportional to 4,687.11, 7,030.35 and 2,223.90 is: 3,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.11 : 7,030.35 = 2,223.90 : x
  2. Step 2: Convert to fraction form
    4,687.11/7,030.35 = 2,223.90/x
  3. Step 3: Cross multiply
    4,687.11x = 7,030.35 × 2,223.90
  4. Step 4: Simplify right side
    4,687.11x = 15,634,795.37
  5. Step 5: Solve for x
    x = 15,634,795.37/4,687.11
  6. Step 6: Final answer
    x = 3,335.70

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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.