Home / 7,405.52-10,213.98-5,166.68

Finding the Fourth Proportional to 7,405.52, 10,213.98 and 5,166.68

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Solution

The fourth proportional to 7,405.52, 10,213.98 and 5,166.68 is: 7,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.52 : 10,213.98 = 5,166.68 : x
  2. Step 2: Convert to fraction form
    7,405.52/10,213.98 = 5,166.68/x
  3. Step 3: Cross multiply
    7,405.52x = 10,213.98 × 5,166.68
  4. Step 4: Simplify right side
    7,405.52x = 52,772,366.19
  5. Step 5: Solve for x
    x = 52,772,366.19/7,405.52
  6. Step 6: Final answer
    x = 7,126.09

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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.