Home / 7,543.02-11,315.99-2,278.45

Finding the Fourth Proportional to 7,543.02, 11,315.99 and 2,278.45

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Solution

The fourth proportional to 7,543.02, 11,315.99 and 2,278.45 is: 3,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.02 : 11,315.99 = 2,278.45 : x
  2. Step 2: Convert to fraction form
    7,543.02/11,315.99 = 2,278.45/x
  3. Step 3: Cross multiply
    7,543.02x = 11,315.99 × 2,278.45
  4. Step 4: Simplify right side
    7,543.02x = 25,782,917.42
  5. Step 5: Solve for x
    x = 25,782,917.42/7,543.02
  6. Step 6: Final answer
    x = 3,418.12

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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.