Home / 7,187.02-10,782.23-2,256.66

Finding the Fourth Proportional to 7,187.02, 10,782.23 and 2,256.66

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Solution

The fourth proportional to 7,187.02, 10,782.23 and 2,256.66 is: 3,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.02 : 10,782.23 = 2,256.66 : x
  2. Step 2: Convert to fraction form
    7,187.02/10,782.23 = 2,256.66/x
  3. Step 3: Cross multiply
    7,187.02x = 10,782.23 × 2,256.66
  4. Step 4: Simplify right side
    7,187.02x = 24,331,804.14
  5. Step 5: Solve for x
    x = 24,331,804.14/7,187.02
  6. Step 6: Final answer
    x = 3,385.52

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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.