Home / 6,438.56-9,655.40-2,973.38

Finding the Fourth Proportional to 6,438.56, 9,655.40 and 2,973.38

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Solution

The fourth proportional to 6,438.56, 9,655.40 and 2,973.38 is: 4,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.56 : 9,655.40 = 2,973.38 : x
  2. Step 2: Convert to fraction form
    6,438.56/9,655.40 = 2,973.38/x
  3. Step 3: Cross multiply
    6,438.56x = 9,655.40 × 2,973.38
  4. Step 4: Simplify right side
    6,438.56x = 28,709,132.41
  5. Step 5: Solve for x
    x = 28,709,132.41/6,438.56
  6. Step 6: Final answer
    x = 4,458.94

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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.