Home / 7,287.51-10,929.24-2,021.31

Finding the Fourth Proportional to 7,287.51, 10,929.24 and 2,021.31

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Solution

The fourth proportional to 7,287.51, 10,929.24 and 2,021.31 is: 3,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.51 : 10,929.24 = 2,021.31 : x
  2. Step 2: Convert to fraction form
    7,287.51/10,929.24 = 2,021.31/x
  3. Step 3: Cross multiply
    7,287.51x = 10,929.24 × 2,021.31
  4. Step 4: Simplify right side
    7,287.51x = 22,091,382.10
  5. Step 5: Solve for x
    x = 22,091,382.10/7,287.51
  6. Step 6: Final answer
    x = 3,031.40

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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.