Home / 4,810.24-6,639.12-2,821.84

Finding the Fourth Proportional to 4,810.24, 6,639.12 and 2,821.84

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Solution

The fourth proportional to 4,810.24, 6,639.12 and 2,821.84 is: 3,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.24 : 6,639.12 = 2,821.84 : x
  2. Step 2: Convert to fraction form
    4,810.24/6,639.12 = 2,821.84/x
  3. Step 3: Cross multiply
    4,810.24x = 6,639.12 × 2,821.84
  4. Step 4: Simplify right side
    4,810.24x = 18,734,534.38
  5. Step 5: Solve for x
    x = 18,734,534.38/4,810.24
  6. Step 6: Final answer
    x = 3,894.72

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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.