Home / 7,213.57-10,829.69-6,917.41

Finding the Fourth Proportional to 7,213.57, 10,829.69 and 6,917.41

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Solution

The fourth proportional to 7,213.57, 10,829.69 and 6,917.41 is: 10,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.57 : 10,829.69 = 6,917.41 : x
  2. Step 2: Convert to fraction form
    7,213.57/10,829.69 = 6,917.41/x
  3. Step 3: Cross multiply
    7,213.57x = 10,829.69 × 6,917.41
  4. Step 4: Simplify right side
    7,213.57x = 74,913,405.90
  5. Step 5: Solve for x
    x = 74,913,405.90/7,213.57
  6. Step 6: Final answer
    x = 10,385.07

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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.