Home / 4,770.30-7,156.94-2,140.01

Finding the Fourth Proportional to 4,770.30, 7,156.94 and 2,140.01

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Solution

The fourth proportional to 4,770.30, 7,156.94 and 2,140.01 is: 3,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.30 : 7,156.94 = 2,140.01 : x
  2. Step 2: Convert to fraction form
    4,770.30/7,156.94 = 2,140.01/x
  3. Step 3: Cross multiply
    4,770.30x = 7,156.94 × 2,140.01
  4. Step 4: Simplify right side
    4,770.30x = 15,315,923.17
  5. Step 5: Solve for x
    x = 15,315,923.17/4,770.30
  6. Step 6: Final answer
    x = 3,210.68

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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.