Home / 7,543.12-10,409.48-4,186.44

Finding the Fourth Proportional to 7,543.12, 10,409.48 and 4,186.44

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Solution

The fourth proportional to 7,543.12, 10,409.48 and 4,186.44 is: 5,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.12 : 10,409.48 = 4,186.44 : x
  2. Step 2: Convert to fraction form
    7,543.12/10,409.48 = 4,186.44/x
  3. Step 3: Cross multiply
    7,543.12x = 10,409.48 × 4,186.44
  4. Step 4: Simplify right side
    7,543.12x = 43,578,663.45
  5. Step 5: Solve for x
    x = 43,578,663.45/7,543.12
  6. Step 6: Final answer
    x = 5,777.27

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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.