Home / 6,888.40-10,336.92-2,730.64

Finding the Fourth Proportional to 6,888.40, 10,336.92 and 2,730.64

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Solution

The fourth proportional to 6,888.40, 10,336.92 and 2,730.64 is: 4,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.40 : 10,336.92 = 2,730.64 : x
  2. Step 2: Convert to fraction form
    6,888.40/10,336.92 = 2,730.64/x
  3. Step 3: Cross multiply
    6,888.40x = 10,336.92 × 2,730.64
  4. Step 4: Simplify right side
    6,888.40x = 28,226,407.23
  5. Step 5: Solve for x
    x = 28,226,407.23/6,888.40
  6. Step 6: Final answer
    x = 4,097.67

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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.