Home / 9,055.60-13,578.48-2,813.68

Finding the Fourth Proportional to 9,055.60, 13,578.48 and 2,813.68

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Solution

The fourth proportional to 9,055.60, 13,578.48 and 2,813.68 is: 4,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.60 : 13,578.48 = 2,813.68 : x
  2. Step 2: Convert to fraction form
    9,055.60/13,578.48 = 2,813.68/x
  3. Step 3: Cross multiply
    9,055.60x = 13,578.48 × 2,813.68
  4. Step 4: Simplify right side
    9,055.60x = 38,205,497.61
  5. Step 5: Solve for x
    x = 38,205,497.61/9,055.60
  6. Step 6: Final answer
    x = 4,218.99

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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.