Home / 6,645.14-9,969.77-4,176.55

Finding the Fourth Proportional to 6,645.14, 9,969.77 and 4,176.55

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Solution

The fourth proportional to 6,645.14, 9,969.77 and 4,176.55 is: 6,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.14 : 9,969.77 = 4,176.55 : x
  2. Step 2: Convert to fraction form
    6,645.14/9,969.77 = 4,176.55/x
  3. Step 3: Cross multiply
    6,645.14x = 9,969.77 × 4,176.55
  4. Step 4: Simplify right side
    6,645.14x = 41,639,242.89
  5. Step 5: Solve for x
    x = 41,639,242.89/6,645.14
  6. Step 6: Final answer
    x = 6,266.12

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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.