Home / 6,421.26-9,631.75-2,958.51

Finding the Fourth Proportional to 6,421.26, 9,631.75 and 2,958.51

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Solution

The fourth proportional to 6,421.26, 9,631.75 and 2,958.51 is: 4,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.26 : 9,631.75 = 2,958.51 : x
  2. Step 2: Convert to fraction form
    6,421.26/9,631.75 = 2,958.51/x
  3. Step 3: Cross multiply
    6,421.26x = 9,631.75 × 2,958.51
  4. Step 4: Simplify right side
    6,421.26x = 28,495,621.30
  5. Step 5: Solve for x
    x = 28,495,621.30/6,421.26
  6. Step 6: Final answer
    x = 4,437.70

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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.