Home / 6,688.64-10,020.17-4,056.95

Finding the Fourth Proportional to 6,688.64, 10,020.17 and 4,056.95

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Solution

The fourth proportional to 6,688.64, 10,020.17 and 4,056.95 is: 6,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.64 : 10,020.17 = 4,056.95 : x
  2. Step 2: Convert to fraction form
    6,688.64/10,020.17 = 4,056.95/x
  3. Step 3: Cross multiply
    6,688.64x = 10,020.17 × 4,056.95
  4. Step 4: Simplify right side
    6,688.64x = 40,651,363.87
  5. Step 5: Solve for x
    x = 40,651,363.87/6,688.64
  6. Step 6: Final answer
    x = 6,077.67

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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.