Home / 7,195.42-9,928.95-5,308.02

Finding the Fourth Proportional to 7,195.42, 9,928.95 and 5,308.02

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Solution

The fourth proportional to 7,195.42, 9,928.95 and 5,308.02 is: 7,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.42 : 9,928.95 = 5,308.02 : x
  2. Step 2: Convert to fraction form
    7,195.42/9,928.95 = 5,308.02/x
  3. Step 3: Cross multiply
    7,195.42x = 9,928.95 × 5,308.02
  4. Step 4: Simplify right side
    7,195.42x = 52,703,065.18
  5. Step 5: Solve for x
    x = 52,703,065.18/7,195.42
  6. Step 6: Final answer
    x = 7,324.53

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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.