Home / 9,200.64-13,800.80-2,275.14

Finding the Fourth Proportional to 9,200.64, 13,800.80 and 2,275.14

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Solution

The fourth proportional to 9,200.64, 13,800.80 and 2,275.14 is: 3,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.64 : 13,800.80 = 2,275.14 : x
  2. Step 2: Convert to fraction form
    9,200.64/13,800.80 = 2,275.14/x
  3. Step 3: Cross multiply
    9,200.64x = 13,800.80 × 2,275.14
  4. Step 4: Simplify right side
    9,200.64x = 31,398,752.11
  5. Step 5: Solve for x
    x = 31,398,752.11/9,200.64
  6. Step 6: Final answer
    x = 3,412.67

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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.