Home / 7,543.09-10,409.58-4,186.12

Finding the Fourth Proportional to 7,543.09, 10,409.58 and 4,186.12

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Solution

The fourth proportional to 7,543.09, 10,409.58 and 4,186.12 is: 5,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.09 : 10,409.58 = 4,186.12 : x
  2. Step 2: Convert to fraction form
    7,543.09/10,409.58 = 4,186.12/x
  3. Step 3: Cross multiply
    7,543.09x = 10,409.58 × 4,186.12
  4. Step 4: Simplify right side
    7,543.09x = 43,575,704.08
  5. Step 5: Solve for x
    x = 43,575,704.08/7,543.09
  6. Step 6: Final answer
    x = 5,776.91

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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.