Home / 6,440.13-9,666.42-3,110.71

Finding the Fourth Proportional to 6,440.13, 9,666.42 and 3,110.71

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Solution

The fourth proportional to 6,440.13, 9,666.42 and 3,110.71 is: 4,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.13 : 9,666.42 = 3,110.71 : x
  2. Step 2: Convert to fraction form
    6,440.13/9,666.42 = 3,110.71/x
  3. Step 3: Cross multiply
    6,440.13x = 9,666.42 × 3,110.71
  4. Step 4: Simplify right side
    6,440.13x = 30,069,429.36
  5. Step 5: Solve for x
    x = 30,069,429.36/6,440.13
  6. Step 6: Final answer
    x = 4,669.08

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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.