Home / 7,904.36-11,853.80-4,399.72

Finding the Fourth Proportional to 7,904.36, 11,853.80 and 4,399.72

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Solution

The fourth proportional to 7,904.36, 11,853.80 and 4,399.72 is: 6,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.36 : 11,853.80 = 4,399.72 : x
  2. Step 2: Convert to fraction form
    7,904.36/11,853.80 = 4,399.72/x
  3. Step 3: Cross multiply
    7,904.36x = 11,853.80 × 4,399.72
  4. Step 4: Simplify right side
    7,904.36x = 52,153,400.94
  5. Step 5: Solve for x
    x = 52,153,400.94/7,904.36
  6. Step 6: Final answer
    x = 6,598.05

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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.