Home / 4,130.46-6,191.37-2,177.82

Finding the Fourth Proportional to 4,130.46, 6,191.37 and 2,177.82

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Solution

The fourth proportional to 4,130.46, 6,191.37 and 2,177.82 is: 3,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.46 : 6,191.37 = 2,177.82 : x
  2. Step 2: Convert to fraction form
    4,130.46/6,191.37 = 2,177.82/x
  3. Step 3: Cross multiply
    4,130.46x = 6,191.37 × 2,177.82
  4. Step 4: Simplify right side
    4,130.46x = 13,483,689.41
  5. Step 5: Solve for x
    x = 13,483,689.41/4,130.46
  6. Step 6: Final answer
    x = 3,264.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.