Home / 6,421.66-9,619.16-5,954.52

Finding the Fourth Proportional to 6,421.66, 9,619.16 and 5,954.52

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Solution

The fourth proportional to 6,421.66, 9,619.16 and 5,954.52 is: 8,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.66 : 9,619.16 = 5,954.52 : x
  2. Step 2: Convert to fraction form
    6,421.66/9,619.16 = 5,954.52/x
  3. Step 3: Cross multiply
    6,421.66x = 9,619.16 × 5,954.52
  4. Step 4: Simplify right side
    6,421.66x = 57,277,486.90
  5. Step 5: Solve for x
    x = 57,277,486.90/6,421.66
  6. Step 6: Final answer
    x = 8,919.42

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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.