Home / 4,187.45-6,280.70-1,265.67

Finding the Fourth Proportional to 4,187.45, 6,280.70 and 1,265.67

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Solution

The fourth proportional to 4,187.45, 6,280.70 and 1,265.67 is: 1,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.45 : 6,280.70 = 1,265.67 : x
  2. Step 2: Convert to fraction form
    4,187.45/6,280.70 = 1,265.67/x
  3. Step 3: Cross multiply
    4,187.45x = 6,280.70 × 1,265.67
  4. Step 4: Simplify right side
    4,187.45x = 7,949,287.24
  5. Step 5: Solve for x
    x = 7,949,287.24/4,187.45
  6. Step 6: Final answer
    x = 1,898.36

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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.