Home / 9,287.40-13,933.38-3,047.76

Finding the Fourth Proportional to 9,287.40, 13,933.38 and 3,047.76

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Solution

The fourth proportional to 9,287.40, 13,933.38 and 3,047.76 is: 4,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.40 : 13,933.38 = 3,047.76 : x
  2. Step 2: Convert to fraction form
    9,287.40/13,933.38 = 3,047.76/x
  3. Step 3: Cross multiply
    9,287.40x = 13,933.38 × 3,047.76
  4. Step 4: Simplify right side
    9,287.40x = 42,465,598.23
  5. Step 5: Solve for x
    x = 42,465,598.23/9,287.40
  6. Step 6: Final answer
    x = 4,572.39

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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.