Home / 4,820.55-7,190.16-4,396.11

Finding the Fourth Proportional to 4,820.55, 7,190.16 and 4,396.11

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Solution

The fourth proportional to 4,820.55, 7,190.16 and 4,396.11 is: 6,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.55 : 7,190.16 = 4,396.11 : x
  2. Step 2: Convert to fraction form
    4,820.55/7,190.16 = 4,396.11/x
  3. Step 3: Cross multiply
    4,820.55x = 7,190.16 × 4,396.11
  4. Step 4: Simplify right side
    4,820.55x = 31,608,734.28
  5. Step 5: Solve for x
    x = 31,608,734.28/4,820.55
  6. Step 6: Final answer
    x = 6,557.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.