Home / 7,721.60-11,566.20-6,070.28

Finding the Fourth Proportional to 7,721.60, 11,566.20 and 6,070.28

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Solution

The fourth proportional to 7,721.60, 11,566.20 and 6,070.28 is: 9,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.60 : 11,566.20 = 6,070.28 : x
  2. Step 2: Convert to fraction form
    7,721.60/11,566.20 = 6,070.28/x
  3. Step 3: Cross multiply
    7,721.60x = 11,566.20 × 6,070.28
  4. Step 4: Simplify right side
    7,721.60x = 70,210,072.54
  5. Step 5: Solve for x
    x = 70,210,072.54/7,721.60
  6. Step 6: Final answer
    x = 9,092.68

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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.