Home / 4,821.84-7,190.52-4,778.04

Finding the Fourth Proportional to 4,821.84, 7,190.52 and 4,778.04

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Solution

The fourth proportional to 4,821.84, 7,190.52 and 4,778.04 is: 7,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.84 : 7,190.52 = 4,778.04 : x
  2. Step 2: Convert to fraction form
    4,821.84/7,190.52 = 4,778.04/x
  3. Step 3: Cross multiply
    4,821.84x = 7,190.52 × 4,778.04
  4. Step 4: Simplify right side
    4,821.84x = 34,356,592.18
  5. Step 5: Solve for x
    x = 34,356,592.18/4,821.84
  6. Step 6: Final answer
    x = 7,125.20

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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.