Home / 6,421.36-9,631.06-2,038.26

Finding the Fourth Proportional to 6,421.36, 9,631.06 and 2,038.26

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Solution

The fourth proportional to 6,421.36, 9,631.06 and 2,038.26 is: 3,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.36 : 9,631.06 = 2,038.26 : x
  2. Step 2: Convert to fraction form
    6,421.36/9,631.06 = 2,038.26/x
  3. Step 3: Cross multiply
    6,421.36x = 9,631.06 × 2,038.26
  4. Step 4: Simplify right side
    6,421.36x = 19,630,604.36
  5. Step 5: Solve for x
    x = 19,630,604.36/6,421.36
  6. Step 6: Final answer
    x = 3,057.08

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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.