Home / 7,750.72-11,636.40-4,055.90

Finding the Fourth Proportional to 7,750.72, 11,636.40 and 4,055.90

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Solution

The fourth proportional to 7,750.72, 11,636.40 and 4,055.90 is: 6,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.72 : 11,636.40 = 4,055.90 : x
  2. Step 2: Convert to fraction form
    7,750.72/11,636.40 = 4,055.90/x
  3. Step 3: Cross multiply
    7,750.72x = 11,636.40 × 4,055.90
  4. Step 4: Simplify right side
    7,750.72x = 47,196,074.76
  5. Step 5: Solve for x
    x = 47,196,074.76/7,750.72
  6. Step 6: Final answer
    x = 6,089.25

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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.