Home / 7,080.16-9,771.72-5,097.28

Finding the Fourth Proportional to 7,080.16, 9,771.72 and 5,097.28

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Solution

The fourth proportional to 7,080.16, 9,771.72 and 5,097.28 is: 7,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.16 : 9,771.72 = 5,097.28 : x
  2. Step 2: Convert to fraction form
    7,080.16/9,771.72 = 5,097.28/x
  3. Step 3: Cross multiply
    7,080.16x = 9,771.72 × 5,097.28
  4. Step 4: Simplify right side
    7,080.16x = 49,809,192.92
  5. Step 5: Solve for x
    x = 49,809,192.92/7,080.16
  6. Step 6: Final answer
    x = 7,035.04

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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.