Home / 7,718.18-11,566.20-4,794.80

Finding the Fourth Proportional to 7,718.18, 11,566.20 and 4,794.80

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Solution

The fourth proportional to 7,718.18, 11,566.20 and 4,794.80 is: 7,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.18 : 11,566.20 = 4,794.80 : x
  2. Step 2: Convert to fraction form
    7,718.18/11,566.20 = 4,794.80/x
  3. Step 3: Cross multiply
    7,718.18x = 11,566.20 × 4,794.80
  4. Step 4: Simplify right side
    7,718.18x = 55,457,615.76
  5. Step 5: Solve for x
    x = 55,457,615.76/7,718.18
  6. Step 6: Final answer
    x = 7,185.32

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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.