Home / 5,320.55-7,342.61-2,962.69

Finding the Fourth Proportional to 5,320.55, 7,342.61 and 2,962.69

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Solution

The fourth proportional to 5,320.55, 7,342.61 and 2,962.69 is: 4,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.55 : 7,342.61 = 2,962.69 : x
  2. Step 2: Convert to fraction form
    5,320.55/7,342.61 = 2,962.69/x
  3. Step 3: Cross multiply
    5,320.55x = 7,342.61 × 2,962.69
  4. Step 4: Simplify right side
    5,320.55x = 21,753,844.05
  5. Step 5: Solve for x
    x = 21,753,844.05/5,320.55
  6. Step 6: Final answer
    x = 4,088.64

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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.