Home / 7,837.02-11,752.29-2,640.06

Finding the Fourth Proportional to 7,837.02, 11,752.29 and 2,640.06

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Solution

The fourth proportional to 7,837.02, 11,752.29 and 2,640.06 is: 3,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.02 : 11,752.29 = 2,640.06 : x
  2. Step 2: Convert to fraction form
    7,837.02/11,752.29 = 2,640.06/x
  3. Step 3: Cross multiply
    7,837.02x = 11,752.29 × 2,640.06
  4. Step 4: Simplify right side
    7,837.02x = 31,026,750.74
  5. Step 5: Solve for x
    x = 31,026,750.74/7,837.02
  6. Step 6: Final answer
    x = 3,959.00

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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.