Home / 7,718.22-11,581.88-5,348.16

Finding the Fourth Proportional to 7,718.22, 11,581.88 and 5,348.16

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Solution

The fourth proportional to 7,718.22, 11,581.88 and 5,348.16 is: 8,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.22 : 11,581.88 = 5,348.16 : x
  2. Step 2: Convert to fraction form
    7,718.22/11,581.88 = 5,348.16/x
  3. Step 3: Cross multiply
    7,718.22x = 11,581.88 × 5,348.16
  4. Step 4: Simplify right side
    7,718.22x = 61,941,720.60
  5. Step 5: Solve for x
    x = 61,941,720.60/7,718.22
  6. Step 6: Final answer
    x = 8,025.39

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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.