Home / 7,788.03-10,747.48-4,431.50

Finding the Fourth Proportional to 7,788.03, 10,747.48 and 4,431.50

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Solution

The fourth proportional to 7,788.03, 10,747.48 and 4,431.50 is: 6,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.03 : 10,747.48 = 4,431.50 : x
  2. Step 2: Convert to fraction form
    7,788.03/10,747.48 = 4,431.50/x
  3. Step 3: Cross multiply
    7,788.03x = 10,747.48 × 4,431.50
  4. Step 4: Simplify right side
    7,788.03x = 47,627,457.62
  5. Step 5: Solve for x
    x = 47,627,457.62/7,788.03
  6. Step 6: Final answer
    x = 6,115.47

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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.