Home / 4,320.32-5,948.96-3,620.48

Finding the Fourth Proportional to 4,320.32, 5,948.96 and 3,620.48

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Solution

The fourth proportional to 4,320.32, 5,948.96 and 3,620.48 is: 4,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.32 : 5,948.96 = 3,620.48 : x
  2. Step 2: Convert to fraction form
    4,320.32/5,948.96 = 3,620.48/x
  3. Step 3: Cross multiply
    4,320.32x = 5,948.96 × 3,620.48
  4. Step 4: Simplify right side
    4,320.32x = 21,538,090.70
  5. Step 5: Solve for x
    x = 21,538,090.70/4,320.32
  6. Step 6: Final answer
    x = 4,985.30

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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.