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Finding the Fourth Proportional to 6,404.04, 9,606.06 and 2,021.40

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Solution

The fourth proportional to 6,404.04, 9,606.06 and 2,021.40 is: 3,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.04 : 9,606.06 = 2,021.40 : x
  2. Step 2: Convert to fraction form
    6,404.04/9,606.06 = 2,021.40/x
  3. Step 3: Cross multiply
    6,404.04x = 9,606.06 × 2,021.40
  4. Step 4: Simplify right side
    6,404.04x = 19,417,689.68
  5. Step 5: Solve for x
    x = 19,417,689.68/6,404.04
  6. Step 6: Final answer
    x = 3,032.10

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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.