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Finding the Fourth Proportional to 7,065.76, 10,597.92 and 1,800.80

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Solution

The fourth proportional to 7,065.76, 10,597.92 and 1,800.80 is: 2,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.76 : 10,597.92 = 1,800.80 : x
  2. Step 2: Convert to fraction form
    7,065.76/10,597.92 = 1,800.80/x
  3. Step 3: Cross multiply
    7,065.76x = 10,597.92 × 1,800.80
  4. Step 4: Simplify right side
    7,065.76x = 19,084,734.34
  5. Step 5: Solve for x
    x = 19,084,734.34/7,065.76
  6. Step 6: Final answer
    x = 2,701.02

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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.