Home / 10,284.58-15,425.01-2,887.22

Finding the Fourth Proportional to 10,284.58, 15,425.01 and 2,887.22

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Solution

The fourth proportional to 10,284.58, 15,425.01 and 2,887.22 is: 4,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.58 : 15,425.01 = 2,887.22 : x
  2. Step 2: Convert to fraction form
    10,284.58/15,425.01 = 2,887.22/x
  3. Step 3: Cross multiply
    10,284.58x = 15,425.01 × 2,887.22
  4. Step 4: Simplify right side
    10,284.58x = 44,535,397.37
  5. Step 5: Solve for x
    x = 44,535,397.37/10,284.58
  6. Step 6: Final answer
    x = 4,330.31

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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.