Home / 5,553.06-7,655.76-5,381.07

Finding the Fourth Proportional to 5,553.06, 7,655.76 and 5,381.07

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Solution

The fourth proportional to 5,553.06, 7,655.76 and 5,381.07 is: 7,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.06 : 7,655.76 = 5,381.07 : x
  2. Step 2: Convert to fraction form
    5,553.06/7,655.76 = 5,381.07/x
  3. Step 3: Cross multiply
    5,553.06x = 7,655.76 × 5,381.07
  4. Step 4: Simplify right side
    5,553.06x = 41,196,180.46
  5. Step 5: Solve for x
    x = 41,196,180.46/5,553.06
  6. Step 6: Final answer
    x = 7,418.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.