Home / 5,237.28-7,228.67-3,000.47

Finding the Fourth Proportional to 5,237.28, 7,228.67 and 3,000.47

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Solution

The fourth proportional to 5,237.28, 7,228.67 and 3,000.47 is: 4,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.28 : 7,228.67 = 3,000.47 : x
  2. Step 2: Convert to fraction form
    5,237.28/7,228.67 = 3,000.47/x
  3. Step 3: Cross multiply
    5,237.28x = 7,228.67 × 3,000.47
  4. Step 4: Simplify right side
    5,237.28x = 21,689,356.33
  5. Step 5: Solve for x
    x = 21,689,356.33/5,237.28
  6. Step 6: Final answer
    x = 4,141.34

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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.