Home / 6,421.04-9,633.56-2,038.64

Finding the Fourth Proportional to 6,421.04, 9,633.56 and 2,038.64

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Solution

The fourth proportional to 6,421.04, 9,633.56 and 2,038.64 is: 3,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.04 : 9,633.56 = 2,038.64 : x
  2. Step 2: Convert to fraction form
    6,421.04/9,633.56 = 2,038.64/x
  3. Step 3: Cross multiply
    6,421.04x = 9,633.56 × 2,038.64
  4. Step 4: Simplify right side
    6,421.04x = 19,639,360.76
  5. Step 5: Solve for x
    x = 19,639,360.76/6,421.04
  6. Step 6: Final answer
    x = 3,058.59

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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.