Home / 7,129.27-10,742.58-5,859.19

Finding the Fourth Proportional to 7,129.27, 10,742.58 and 5,859.19

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Solution

The fourth proportional to 7,129.27, 10,742.58 and 5,859.19 is: 8,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.27 : 10,742.58 = 5,859.19 : x
  2. Step 2: Convert to fraction form
    7,129.27/10,742.58 = 5,859.19/x
  3. Step 3: Cross multiply
    7,129.27x = 10,742.58 × 5,859.19
  4. Step 4: Simplify right side
    7,129.27x = 62,942,817.31
  5. Step 5: Solve for x
    x = 62,942,817.31/7,129.27
  6. Step 6: Final answer
    x = 8,828.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.