Home / 7,929.02-11,895.36-2,382.47

Finding the Fourth Proportional to 7,929.02, 11,895.36 and 2,382.47

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Solution

The fourth proportional to 7,929.02, 11,895.36 and 2,382.47 is: 3,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.02 : 11,895.36 = 2,382.47 : x
  2. Step 2: Convert to fraction form
    7,929.02/11,895.36 = 2,382.47/x
  3. Step 3: Cross multiply
    7,929.02x = 11,895.36 × 2,382.47
  4. Step 4: Simplify right side
    7,929.02x = 28,340,314.54
  5. Step 5: Solve for x
    x = 28,340,314.54/7,929.02
  6. Step 6: Final answer
    x = 3,574.25

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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.