Home / 7,788.83-10,748.45-4,431.58

Finding the Fourth Proportional to 7,788.83, 10,748.45 and 4,431.58

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Solution

The fourth proportional to 7,788.83, 10,748.45 and 4,431.58 is: 6,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.83 : 10,748.45 = 4,431.58 : x
  2. Step 2: Convert to fraction form
    7,788.83/10,748.45 = 4,431.58/x
  3. Step 3: Cross multiply
    7,788.83x = 10,748.45 × 4,431.58
  4. Step 4: Simplify right side
    7,788.83x = 47,632,600.26
  5. Step 5: Solve for x
    x = 47,632,600.26/7,788.83
  6. Step 6: Final answer
    x = 6,115.50

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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.