Home / 4,821.62-6,656.73-3,145.93

Finding the Fourth Proportional to 4,821.62, 6,656.73 and 3,145.93

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Solution

The fourth proportional to 4,821.62, 6,656.73 and 3,145.93 is: 4,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.62 : 6,656.73 = 3,145.93 : x
  2. Step 2: Convert to fraction form
    4,821.62/6,656.73 = 3,145.93/x
  3. Step 3: Cross multiply
    4,821.62x = 6,656.73 × 3,145.93
  4. Step 4: Simplify right side
    4,821.62x = 20,941,601.76
  5. Step 5: Solve for x
    x = 20,941,601.76/4,821.62
  6. Step 6: Final answer
    x = 4,343.28

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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.