Home / 7,330.55-10,116.86-4,186.13

Finding the Fourth Proportional to 7,330.55, 10,116.86 and 4,186.13

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Solution

The fourth proportional to 7,330.55, 10,116.86 and 4,186.13 is: 5,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.55 : 10,116.86 = 4,186.13 : x
  2. Step 2: Convert to fraction form
    7,330.55/10,116.86 = 4,186.13/x
  3. Step 3: Cross multiply
    7,330.55x = 10,116.86 × 4,186.13
  4. Step 4: Simplify right side
    7,330.55x = 42,350,419.64
  5. Step 5: Solve for x
    x = 42,350,419.64/7,330.55
  6. Step 6: Final answer
    x = 5,777.25

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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.