Home / 7,428.51-10,249.74-4,282.88

Finding the Fourth Proportional to 7,428.51, 10,249.74 and 4,282.88

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Solution

The fourth proportional to 7,428.51, 10,249.74 and 4,282.88 is: 5,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.51 : 10,249.74 = 4,282.88 : x
  2. Step 2: Convert to fraction form
    7,428.51/10,249.74 = 4,282.88/x
  3. Step 3: Cross multiply
    7,428.51x = 10,249.74 × 4,282.88
  4. Step 4: Simplify right side
    7,428.51x = 43,898,355.20
  5. Step 5: Solve for x
    x = 43,898,355.20/7,428.51
  6. Step 6: Final answer
    x = 5,909.44

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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.