Home / 8,130.17-12,187.06-3,750.71

Finding the Fourth Proportional to 8,130.17, 12,187.06 and 3,750.71

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Solution

The fourth proportional to 8,130.17, 12,187.06 and 3,750.71 is: 5,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.17 : 12,187.06 = 3,750.71 : x
  2. Step 2: Convert to fraction form
    8,130.17/12,187.06 = 3,750.71/x
  3. Step 3: Cross multiply
    8,130.17x = 12,187.06 × 3,750.71
  4. Step 4: Simplify right side
    8,130.17x = 45,710,057.50
  5. Step 5: Solve for x
    x = 45,710,057.50/8,130.17
  6. Step 6: Final answer
    x = 5,622.27

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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.