Home / 7,416.68-10,217.79-5,145.84

Finding the Fourth Proportional to 7,416.68, 10,217.79 and 5,145.84

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Solution

The fourth proportional to 7,416.68, 10,217.79 and 5,145.84 is: 7,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.68 : 10,217.79 = 5,145.84 : x
  2. Step 2: Convert to fraction form
    7,416.68/10,217.79 = 5,145.84/x
  3. Step 3: Cross multiply
    7,416.68x = 10,217.79 × 5,145.84
  4. Step 4: Simplify right side
    7,416.68x = 52,579,112.49
  5. Step 5: Solve for x
    x = 52,579,112.49/7,416.68
  6. Step 6: Final answer
    x = 7,089.31

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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.