Home / 7,237.47-10,861.39-3,080.40

Finding the Fourth Proportional to 7,237.47, 10,861.39 and 3,080.40

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Solution

The fourth proportional to 7,237.47, 10,861.39 and 3,080.40 is: 4,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.47 : 10,861.39 = 3,080.40 : x
  2. Step 2: Convert to fraction form
    7,237.47/10,861.39 = 3,080.40/x
  3. Step 3: Cross multiply
    7,237.47x = 10,861.39 × 3,080.40
  4. Step 4: Simplify right side
    7,237.47x = 33,457,425.76
  5. Step 5: Solve for x
    x = 33,457,425.76/7,237.47
  6. Step 6: Final answer
    x = 4,622.81

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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.