Home / 4,686.62-6,465.06-3,174.21

Finding the Fourth Proportional to 4,686.62, 6,465.06 and 3,174.21

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Solution

The fourth proportional to 4,686.62, 6,465.06 and 3,174.21 is: 4,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.62 : 6,465.06 = 3,174.21 : x
  2. Step 2: Convert to fraction form
    4,686.62/6,465.06 = 3,174.21/x
  3. Step 3: Cross multiply
    4,686.62x = 6,465.06 × 3,174.21
  4. Step 4: Simplify right side
    4,686.62x = 20,521,458.10
  5. Step 5: Solve for x
    x = 20,521,458.10/4,686.62
  6. Step 6: Final answer
    x = 4,378.74

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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.