Home / 4,740.28-6,536.74-3,146.36

Finding the Fourth Proportional to 4,740.28, 6,536.74 and 3,146.36

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Solution

The fourth proportional to 4,740.28, 6,536.74 and 3,146.36 is: 4,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.28 : 6,536.74 = 3,146.36 : x
  2. Step 2: Convert to fraction form
    4,740.28/6,536.74 = 3,146.36/x
  3. Step 3: Cross multiply
    4,740.28x = 6,536.74 × 3,146.36
  4. Step 4: Simplify right side
    4,740.28x = 20,566,937.27
  5. Step 5: Solve for x
    x = 20,566,937.27/4,740.28
  6. Step 6: Final answer
    x = 4,338.76

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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.