Home / 7,789.58-10,749.27-4,432.67

Finding the Fourth Proportional to 7,789.58, 10,749.27 and 4,432.67

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Solution

The fourth proportional to 7,789.58, 10,749.27 and 4,432.67 is: 6,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.58 : 10,749.27 = 4,432.67 : x
  2. Step 2: Convert to fraction form
    7,789.58/10,749.27 = 4,432.67/x
  3. Step 3: Cross multiply
    7,789.58x = 10,749.27 × 4,432.67
  4. Step 4: Simplify right side
    7,789.58x = 47,647,966.65
  5. Step 5: Solve for x
    x = 47,647,966.65/7,789.58
  6. Step 6: Final answer
    x = 6,116.89

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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.