Home / 7,359.96-11,038.50-2,428.68

Finding the Fourth Proportional to 7,359.96, 11,038.50 and 2,428.68

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Solution

The fourth proportional to 7,359.96, 11,038.50 and 2,428.68 is: 3,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.96 : 11,038.50 = 2,428.68 : x
  2. Step 2: Convert to fraction form
    7,359.96/11,038.50 = 2,428.68/x
  3. Step 3: Cross multiply
    7,359.96x = 11,038.50 × 2,428.68
  4. Step 4: Simplify right side
    7,359.96x = 26,808,984.18
  5. Step 5: Solve for x
    x = 26,808,984.18/7,359.96
  6. Step 6: Final answer
    x = 3,642.54

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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.