Home / 4,688.28-7,030.19-1,912.61

Finding the Fourth Proportional to 4,688.28, 7,030.19 and 1,912.61

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Solution

The fourth proportional to 4,688.28, 7,030.19 and 1,912.61 is: 2,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.28 : 7,030.19 = 1,912.61 : x
  2. Step 2: Convert to fraction form
    4,688.28/7,030.19 = 1,912.61/x
  3. Step 3: Cross multiply
    4,688.28x = 7,030.19 × 1,912.61
  4. Step 4: Simplify right side
    4,688.28x = 13,446,034.05
  5. Step 5: Solve for x
    x = 13,446,034.05/4,688.28
  6. Step 6: Final answer
    x = 2,868.01

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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.