Home / 7,200.14-9,935.80-4,056.12

Finding the Fourth Proportional to 7,200.14, 9,935.80 and 4,056.12

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Solution

The fourth proportional to 7,200.14, 9,935.80 and 4,056.12 is: 5,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.14 : 9,935.80 = 4,056.12 : x
  2. Step 2: Convert to fraction form
    7,200.14/9,935.80 = 4,056.12/x
  3. Step 3: Cross multiply
    7,200.14x = 9,935.80 × 4,056.12
  4. Step 4: Simplify right side
    7,200.14x = 40,300,797.10
  5. Step 5: Solve for x
    x = 40,300,797.10/7,200.14
  6. Step 6: Final answer
    x = 5,597.22

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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.