Home / 7,718.04-11,577.77-3,559.20

Finding the Fourth Proportional to 7,718.04, 11,577.77 and 3,559.20

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Solution

The fourth proportional to 7,718.04, 11,577.77 and 3,559.20 is: 5,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.04 : 11,577.77 = 3,559.20 : x
  2. Step 2: Convert to fraction form
    7,718.04/11,577.77 = 3,559.20/x
  3. Step 3: Cross multiply
    7,718.04x = 11,577.77 × 3,559.20
  4. Step 4: Simplify right side
    7,718.04x = 41,207,551.12
  5. Step 5: Solve for x
    x = 41,207,551.12/7,718.04
  6. Step 6: Final answer
    x = 5,339.12

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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.