Home / 4,800.15-6,621.53-2,810.32

Finding the Fourth Proportional to 4,800.15, 6,621.53 and 2,810.32

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Solution

The fourth proportional to 4,800.15, 6,621.53 and 2,810.32 is: 3,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.15 : 6,621.53 = 2,810.32 : x
  2. Step 2: Convert to fraction form
    4,800.15/6,621.53 = 2,810.32/x
  3. Step 3: Cross multiply
    4,800.15x = 6,621.53 × 2,810.32
  4. Step 4: Simplify right side
    4,800.15x = 18,608,604.14
  5. Step 5: Solve for x
    x = 18,608,604.14/4,800.15
  6. Step 6: Final answer
    x = 3,876.68

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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.