Home / 7,543.72-10,410.09-4,186.61

Finding the Fourth Proportional to 7,543.72, 10,410.09 and 4,186.61

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Solution

The fourth proportional to 7,543.72, 10,410.09 and 4,186.61 is: 5,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.72 : 10,410.09 = 4,186.61 : x
  2. Step 2: Convert to fraction form
    7,543.72/10,410.09 = 4,186.61/x
  3. Step 3: Cross multiply
    7,543.72x = 10,410.09 × 4,186.61
  4. Step 4: Simplify right side
    7,543.72x = 43,582,986.89
  5. Step 5: Solve for x
    x = 43,582,986.89/7,543.72
  6. Step 6: Final answer
    x = 5,777.39

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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.