Home / 7,217.80-10,826.70-6,124.30

Finding the Fourth Proportional to 7,217.80, 10,826.70 and 6,124.30

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Solution

The fourth proportional to 7,217.80, 10,826.70 and 6,124.30 is: 9,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.80 : 10,826.70 = 6,124.30 : x
  2. Step 2: Convert to fraction form
    7,217.80/10,826.70 = 6,124.30/x
  3. Step 3: Cross multiply
    7,217.80x = 10,826.70 × 6,124.30
  4. Step 4: Simplify right side
    7,217.80x = 66,305,958.81
  5. Step 5: Solve for x
    x = 66,305,958.81/7,217.80
  6. Step 6: Final answer
    x = 9,186.45

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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.