Home / 5,205.23-7,182.40-2,967.20

Finding the Fourth Proportional to 5,205.23, 7,182.40 and 2,967.20

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Solution

The fourth proportional to 5,205.23, 7,182.40 and 2,967.20 is: 4,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.23 : 7,182.40 = 2,967.20 : x
  2. Step 2: Convert to fraction form
    5,205.23/7,182.40 = 2,967.20/x
  3. Step 3: Cross multiply
    5,205.23x = 7,182.40 × 2,967.20
  4. Step 4: Simplify right side
    5,205.23x = 21,311,617.28
  5. Step 5: Solve for x
    x = 21,311,617.28/5,205.23
  6. Step 6: Final answer
    x = 4,094.27

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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.