Home / 5,672.13-8,510.64-1,972.35

Finding the Fourth Proportional to 5,672.13, 8,510.64 and 1,972.35

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Solution

The fourth proportional to 5,672.13, 8,510.64 and 1,972.35 is: 2,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.13 : 8,510.64 = 1,972.35 : x
  2. Step 2: Convert to fraction form
    5,672.13/8,510.64 = 1,972.35/x
  3. Step 3: Cross multiply
    5,672.13x = 8,510.64 × 1,972.35
  4. Step 4: Simplify right side
    5,672.13x = 16,785,960.80
  5. Step 5: Solve for x
    x = 16,785,960.80/5,672.13
  6. Step 6: Final answer
    x = 2,959.38

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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.