Home / 4,740.81-7,108.87-1,453.11

Finding the Fourth Proportional to 4,740.81, 7,108.87 and 1,453.11

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Solution

The fourth proportional to 4,740.81, 7,108.87 and 1,453.11 is: 2,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.81 : 7,108.87 = 1,453.11 : x
  2. Step 2: Convert to fraction form
    4,740.81/7,108.87 = 1,453.11/x
  3. Step 3: Cross multiply
    4,740.81x = 7,108.87 × 1,453.11
  4. Step 4: Simplify right side
    4,740.81x = 10,329,970.09
  5. Step 5: Solve for x
    x = 10,329,970.09/4,740.81
  6. Step 6: Final answer
    x = 2,178.95

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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.