Home / 5,320.20-7,342.02-2,962.20

Finding the Fourth Proportional to 5,320.20, 7,342.02 and 2,962.20

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Solution

The fourth proportional to 5,320.20, 7,342.02 and 2,962.20 is: 4,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.20 : 7,342.02 = 2,962.20 : x
  2. Step 2: Convert to fraction form
    5,320.20/7,342.02 = 2,962.20/x
  3. Step 3: Cross multiply
    5,320.20x = 7,342.02 × 2,962.20
  4. Step 4: Simplify right side
    5,320.20x = 21,748,531.64
  5. Step 5: Solve for x
    x = 21,748,531.64/5,320.20
  6. Step 6: Final answer
    x = 4,087.92

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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.