Home / 6,862.21-9,465.07-5,443.91

Finding the Fourth Proportional to 6,862.21, 9,465.07 and 5,443.91

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Solution

The fourth proportional to 6,862.21, 9,465.07 and 5,443.91 is: 7,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.21 : 9,465.07 = 5,443.91 : x
  2. Step 2: Convert to fraction form
    6,862.21/9,465.07 = 5,443.91/x
  3. Step 3: Cross multiply
    6,862.21x = 9,465.07 × 5,443.91
  4. Step 4: Simplify right side
    6,862.21x = 51,526,914.68
  5. Step 5: Solve for x
    x = 51,526,914.68/6,862.21
  6. Step 6: Final answer
    x = 7,508.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.