Home / 6,975.60-10,441.80-4,045.20

Finding the Fourth Proportional to 6,975.60, 10,441.80 and 4,045.20

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Solution

The fourth proportional to 6,975.60, 10,441.80 and 4,045.20 is: 6,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.60 : 10,441.80 = 4,045.20 : x
  2. Step 2: Convert to fraction form
    6,975.60/10,441.80 = 4,045.20/x
  3. Step 3: Cross multiply
    6,975.60x = 10,441.80 × 4,045.20
  4. Step 4: Simplify right side
    6,975.60x = 42,239,169.36
  5. Step 5: Solve for x
    x = 42,239,169.36/6,975.60
  6. Step 6: Final answer
    x = 6,055.27

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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.