Home / 4,822.20-6,652.35-2,805.60

Finding the Fourth Proportional to 4,822.20, 6,652.35 and 2,805.60

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Solution

The fourth proportional to 4,822.20, 6,652.35 and 2,805.60 is: 3,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.20 : 6,652.35 = 2,805.60 : x
  2. Step 2: Convert to fraction form
    4,822.20/6,652.35 = 2,805.60/x
  3. Step 3: Cross multiply
    4,822.20x = 6,652.35 × 2,805.60
  4. Step 4: Simplify right side
    4,822.20x = 18,663,833.16
  5. Step 5: Solve for x
    x = 18,663,833.16/4,822.20
  6. Step 6: Final answer
    x = 3,870.40

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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.