Home / 7,214.81-10,826.26-3,319.52

Finding the Fourth Proportional to 7,214.81, 10,826.26 and 3,319.52

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Solution

The fourth proportional to 7,214.81, 10,826.26 and 3,319.52 is: 4,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.81 : 10,826.26 = 3,319.52 : x
  2. Step 2: Convert to fraction form
    7,214.81/10,826.26 = 3,319.52/x
  3. Step 3: Cross multiply
    7,214.81x = 10,826.26 × 3,319.52
  4. Step 4: Simplify right side
    7,214.81x = 35,937,924.17
  5. Step 5: Solve for x
    x = 35,937,924.17/7,214.81
  6. Step 6: Final answer
    x = 4,981.14

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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.