Home / 4,187.04-6,280.70-1,265.37

Finding the Fourth Proportional to 4,187.04, 6,280.70 and 1,265.37

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Solution

The fourth proportional to 4,187.04, 6,280.70 and 1,265.37 is: 1,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.04 : 6,280.70 = 1,265.37 : x
  2. Step 2: Convert to fraction form
    4,187.04/6,280.70 = 1,265.37/x
  3. Step 3: Cross multiply
    4,187.04x = 6,280.70 × 1,265.37
  4. Step 4: Simplify right side
    4,187.04x = 7,947,403.03
  5. Step 5: Solve for x
    x = 7,947,403.03/4,187.04
  6. Step 6: Final answer
    x = 1,898.10

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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.