Home / 5,030.57-6,941.86-3,142.04

Finding the Fourth Proportional to 5,030.57, 6,941.86 and 3,142.04

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Solution

The fourth proportional to 5,030.57, 6,941.86 and 3,142.04 is: 4,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.57 : 6,941.86 = 3,142.04 : x
  2. Step 2: Convert to fraction form
    5,030.57/6,941.86 = 3,142.04/x
  3. Step 3: Cross multiply
    5,030.57x = 6,941.86 × 3,142.04
  4. Step 4: Simplify right side
    5,030.57x = 21,811,567.09
  5. Step 5: Solve for x
    x = 21,811,567.09/5,030.57
  6. Step 6: Final answer
    x = 4,335.81

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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.