Home / 6,421.81-9,633.74-2,038.92

Finding the Fourth Proportional to 6,421.81, 9,633.74 and 2,038.92

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Solution

The fourth proportional to 6,421.81, 9,633.74 and 2,038.92 is: 3,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.81 : 9,633.74 = 2,038.92 : x
  2. Step 2: Convert to fraction form
    6,421.81/9,633.74 = 2,038.92/x
  3. Step 3: Cross multiply
    6,421.81x = 9,633.74 × 2,038.92
  4. Step 4: Simplify right side
    6,421.81x = 19,642,433.03
  5. Step 5: Solve for x
    x = 19,642,433.03/6,421.81
  6. Step 6: Final answer
    x = 3,058.71

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1.5x scale

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.