Home / 6,403.40-9,606.06-2,020.79

Finding the Fourth Proportional to 6,403.40, 9,606.06 and 2,020.79

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Solution

The fourth proportional to 6,403.40, 9,606.06 and 2,020.79 is: 3,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.40 : 9,606.06 = 2,020.79 : x
  2. Step 2: Convert to fraction form
    6,403.40/9,606.06 = 2,020.79/x
  3. Step 3: Cross multiply
    6,403.40x = 9,606.06 × 2,020.79
  4. Step 4: Simplify right side
    6,403.40x = 19,411,854.00
  5. Step 5: Solve for x
    x = 19,411,854.00/6,403.40
  6. Step 6: Final answer
    x = 3,031.49

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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.