Home / 7,237.28-9,987.20-4,093.28

Finding the Fourth Proportional to 7,237.28, 9,987.20 and 4,093.28

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Solution

The fourth proportional to 7,237.28, 9,987.20 and 4,093.28 is: 5,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.28 : 9,987.20 = 4,093.28 : x
  2. Step 2: Convert to fraction form
    7,237.28/9,987.20 = 4,093.28/x
  3. Step 3: Cross multiply
    7,237.28x = 9,987.20 × 4,093.28
  4. Step 4: Simplify right side
    7,237.28x = 40,880,406.02
  5. Step 5: Solve for x
    x = 40,880,406.02/7,237.28
  6. Step 6: Final answer
    x = 5,648.59

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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.