Home / 6,285.75-9,430.17-1,903.20

Finding the Fourth Proportional to 6,285.75, 9,430.17 and 1,903.20

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Solution

The fourth proportional to 6,285.75, 9,430.17 and 1,903.20 is: 2,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.75 : 9,430.17 = 1,903.20 : x
  2. Step 2: Convert to fraction form
    6,285.75/9,430.17 = 1,903.20/x
  3. Step 3: Cross multiply
    6,285.75x = 9,430.17 × 1,903.20
  4. Step 4: Simplify right side
    6,285.75x = 17,947,499.54
  5. Step 5: Solve for x
    x = 17,947,499.54/6,285.75
  6. Step 6: Final answer
    x = 2,855.27

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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.