Home / 7,296.66-10,065.80-5,172.64

Finding the Fourth Proportional to 7,296.66, 10,065.80 and 5,172.64

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Solution

The fourth proportional to 7,296.66, 10,065.80 and 5,172.64 is: 7,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.66 : 10,065.80 = 5,172.64 : x
  2. Step 2: Convert to fraction form
    7,296.66/10,065.80 = 5,172.64/x
  3. Step 3: Cross multiply
    7,296.66x = 10,065.80 × 5,172.64
  4. Step 4: Simplify right side
    7,296.66x = 52,066,759.71
  5. Step 5: Solve for x
    x = 52,066,759.71/7,296.66
  6. Step 6: Final answer
    x = 7,135.70

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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.