Home / 7,904.40-10,908.20-4,367.54

Finding the Fourth Proportional to 7,904.40, 10,908.20 and 4,367.54

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Solution

The fourth proportional to 7,904.40, 10,908.20 and 4,367.54 is: 6,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.40 : 10,908.20 = 4,367.54 : x
  2. Step 2: Convert to fraction form
    7,904.40/10,908.20 = 4,367.54/x
  3. Step 3: Cross multiply
    7,904.40x = 10,908.20 × 4,367.54
  4. Step 4: Simplify right side
    7,904.40x = 47,641,999.83
  5. Step 5: Solve for x
    x = 47,641,999.83/7,904.40
  6. Step 6: Final answer
    x = 6,027.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.