Home / 4,816.56-6,646.08-2,720.40

Finding the Fourth Proportional to 4,816.56, 6,646.08 and 2,720.40

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Solution

The fourth proportional to 4,816.56, 6,646.08 and 2,720.40 is: 3,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.56 : 6,646.08 = 2,720.40 : x
  2. Step 2: Convert to fraction form
    4,816.56/6,646.08 = 2,720.40/x
  3. Step 3: Cross multiply
    4,816.56x = 6,646.08 × 2,720.40
  4. Step 4: Simplify right side
    4,816.56x = 18,079,996.03
  5. Step 5: Solve for x
    x = 18,079,996.03/4,816.56
  6. Step 6: Final answer
    x = 3,753.72

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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.