Home / 4,742.11-6,544.89-3,126.47

Finding the Fourth Proportional to 4,742.11, 6,544.89 and 3,126.47

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Solution

The fourth proportional to 4,742.11, 6,544.89 and 3,126.47 is: 4,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.11 : 6,544.89 = 3,126.47 : x
  2. Step 2: Convert to fraction form
    4,742.11/6,544.89 = 3,126.47/x
  3. Step 3: Cross multiply
    4,742.11x = 6,544.89 × 3,126.47
  4. Step 4: Simplify right side
    4,742.11x = 20,462,369.51
  5. Step 5: Solve for x
    x = 20,462,369.51/4,742.11
  6. Step 6: Final answer
    x = 4,315.03

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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.