Home / 6,288.52-9,430.60-1,904.80

Finding the Fourth Proportional to 6,288.52, 9,430.60 and 1,904.80

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Solution

The fourth proportional to 6,288.52, 9,430.60 and 1,904.80 is: 2,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.52 : 9,430.60 = 1,904.80 : x
  2. Step 2: Convert to fraction form
    6,288.52/9,430.60 = 1,904.80/x
  3. Step 3: Cross multiply
    6,288.52x = 9,430.60 × 1,904.80
  4. Step 4: Simplify right side
    6,288.52x = 17,963,406.88
  5. Step 5: Solve for x
    x = 17,963,406.88/6,288.52
  6. Step 6: Final answer
    x = 2,856.54

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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.