Home / 5,271.02-7,273.64-3,031.28

Finding the Fourth Proportional to 5,271.02, 7,273.64 and 3,031.28

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Solution

The fourth proportional to 5,271.02, 7,273.64 and 3,031.28 is: 4,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.02 : 7,273.64 = 3,031.28 : x
  2. Step 2: Convert to fraction form
    5,271.02/7,273.64 = 3,031.28/x
  3. Step 3: Cross multiply
    5,271.02x = 7,273.64 × 3,031.28
  4. Step 4: Simplify right side
    5,271.02x = 22,048,439.46
  5. Step 5: Solve for x
    x = 22,048,439.46/5,271.02
  6. Step 6: Final answer
    x = 4,182.95

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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.