Home / 5,594.40-7,717.68-5,145.12

Finding the Fourth Proportional to 5,594.40, 7,717.68 and 5,145.12

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Solution

The fourth proportional to 5,594.40, 7,717.68 and 5,145.12 is: 7,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,594.40 : 7,717.68 = 5,145.12 : x
  2. Step 2: Convert to fraction form
    5,594.40/7,717.68 = 5,145.12/x
  3. Step 3: Cross multiply
    5,594.40x = 7,717.68 × 5,145.12
  4. Step 4: Simplify right side
    5,594.40x = 39,708,389.72
  5. Step 5: Solve for x
    x = 39,708,389.72/5,594.40
  6. Step 6: Final answer
    x = 7,097.88

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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.