Home / 7,260.39-10,891.80-6,525.72

Finding the Fourth Proportional to 7,260.39, 10,891.80 and 6,525.72

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Solution

The fourth proportional to 7,260.39, 10,891.80 and 6,525.72 is: 9,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.39 : 10,891.80 = 6,525.72 : x
  2. Step 2: Convert to fraction form
    7,260.39/10,891.80 = 6,525.72/x
  3. Step 3: Cross multiply
    7,260.39x = 10,891.80 × 6,525.72
  4. Step 4: Simplify right side
    7,260.39x = 71,076,837.10
  5. Step 5: Solve for x
    x = 71,076,837.10/7,260.39
  6. Step 6: Final answer
    x = 9,789.67

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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.