Home / 7,543.89-10,410.30-4,186.62

Finding the Fourth Proportional to 7,543.89, 10,410.30 and 4,186.62

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Solution

The fourth proportional to 7,543.89, 10,410.30 and 4,186.62 is: 5,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.89 : 10,410.30 = 4,186.62 : x
  2. Step 2: Convert to fraction form
    7,543.89/10,410.30 = 4,186.62/x
  3. Step 3: Cross multiply
    7,543.89x = 10,410.30 × 4,186.62
  4. Step 4: Simplify right side
    7,543.89x = 43,583,970.19
  5. Step 5: Solve for x
    x = 43,583,970.19/7,543.89
  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.