Home / 6,458.24-9,688.40-2,760.50

Finding the Fourth Proportional to 6,458.24, 9,688.40 and 2,760.50

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Solution

The fourth proportional to 6,458.24, 9,688.40 and 2,760.50 is: 4,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.24 : 9,688.40 = 2,760.50 : x
  2. Step 2: Convert to fraction form
    6,458.24/9,688.40 = 2,760.50/x
  3. Step 3: Cross multiply
    6,458.24x = 9,688.40 × 2,760.50
  4. Step 4: Simplify right side
    6,458.24x = 26,744,828.20
  5. Step 5: Solve for x
    x = 26,744,828.20/6,458.24
  6. Step 6: Final answer
    x = 4,141.19

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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.