Home / 4,689.14-6,465.15-3,429.18

Finding the Fourth Proportional to 4,689.14, 6,465.15 and 3,429.18

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Solution

The fourth proportional to 4,689.14, 6,465.15 and 3,429.18 is: 4,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.14 : 6,465.15 = 3,429.18 : x
  2. Step 2: Convert to fraction form
    4,689.14/6,465.15 = 3,429.18/x
  3. Step 3: Cross multiply
    4,689.14x = 6,465.15 × 3,429.18
  4. Step 4: Simplify right side
    4,689.14x = 22,170,163.08
  5. Step 5: Solve for x
    x = 22,170,163.08/4,689.14
  6. Step 6: Final answer
    x = 4,727.99

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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.