Home / 7,720.66-11,547.60-4,550.56

Finding the Fourth Proportional to 7,720.66, 11,547.60 and 4,550.56

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Solution

The fourth proportional to 7,720.66, 11,547.60 and 4,550.56 is: 6,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.66 : 11,547.60 = 4,550.56 : x
  2. Step 2: Convert to fraction form
    7,720.66/11,547.60 = 4,550.56/x
  3. Step 3: Cross multiply
    7,720.66x = 11,547.60 × 4,550.56
  4. Step 4: Simplify right side
    7,720.66x = 52,548,046.66
  5. Step 5: Solve for x
    x = 52,548,046.66/7,720.66
  6. Step 6: Final answer
    x = 6,806.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.