Home / 4,830.04-6,662.28-3,780.28

Finding the Fourth Proportional to 4,830.04, 6,662.28 and 3,780.28

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Solution

The fourth proportional to 4,830.04, 6,662.28 and 3,780.28 is: 5,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.04 : 6,662.28 = 3,780.28 : x
  2. Step 2: Convert to fraction form
    4,830.04/6,662.28 = 3,780.28/x
  3. Step 3: Cross multiply
    4,830.04x = 6,662.28 × 3,780.28
  4. Step 4: Simplify right side
    4,830.04x = 25,185,283.84
  5. Step 5: Solve for x
    x = 25,185,283.84/4,830.04
  6. Step 6: Final answer
    x = 5,214.30

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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.