Home / 6,421.55-9,633.33-2,038.66

Finding the Fourth Proportional to 6,421.55, 9,633.33 and 2,038.66

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Solution

The fourth proportional to 6,421.55, 9,633.33 and 2,038.66 is: 3,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.55 : 9,633.33 = 2,038.66 : x
  2. Step 2: Convert to fraction form
    6,421.55/9,633.33 = 2,038.66/x
  3. Step 3: Cross multiply
    6,421.55x = 9,633.33 × 2,038.66
  4. Step 4: Simplify right side
    6,421.55x = 19,639,060.45
  5. Step 5: Solve for x
    x = 19,639,060.45/6,421.55
  6. Step 6: Final answer
    x = 3,058.31

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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.