Home / 7,079.55-9,772.43-5,316.25

Finding the Fourth Proportional to 7,079.55, 9,772.43 and 5,316.25

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Solution

The fourth proportional to 7,079.55, 9,772.43 and 5,316.25 is: 7,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.55 : 9,772.43 = 5,316.25 : x
  2. Step 2: Convert to fraction form
    7,079.55/9,772.43 = 5,316.25/x
  3. Step 3: Cross multiply
    7,079.55x = 9,772.43 × 5,316.25
  4. Step 4: Simplify right side
    7,079.55x = 51,952,680.99
  5. Step 5: Solve for x
    x = 51,952,680.99/7,079.55
  6. Step 6: Final answer
    x = 7,338.42

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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.