Home / 4,656.94-6,424.23-3,145.30

Finding the Fourth Proportional to 4,656.94, 6,424.23 and 3,145.30

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Solution

The fourth proportional to 4,656.94, 6,424.23 and 3,145.30 is: 4,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.94 : 6,424.23 = 3,145.30 : x
  2. Step 2: Convert to fraction form
    4,656.94/6,424.23 = 3,145.30/x
  3. Step 3: Cross multiply
    4,656.94x = 6,424.23 × 3,145.30
  4. Step 4: Simplify right side
    4,656.94x = 20,206,130.62
  5. Step 5: Solve for x
    x = 20,206,130.62/4,656.94
  6. Step 6: Final answer
    x = 4,338.93

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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.