Home / 7,648.59-10,555.21-4,291.64

Finding the Fourth Proportional to 7,648.59, 10,555.21 and 4,291.64

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Solution

The fourth proportional to 7,648.59, 10,555.21 and 4,291.64 is: 5,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.59 : 10,555.21 = 4,291.64 : x
  2. Step 2: Convert to fraction form
    7,648.59/10,555.21 = 4,291.64/x
  3. Step 3: Cross multiply
    7,648.59x = 10,555.21 × 4,291.64
  4. Step 4: Simplify right side
    7,648.59x = 45,299,183.30
  5. Step 5: Solve for x
    x = 45,299,183.30/7,648.59
  6. Step 6: Final answer
    x = 5,922.56

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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.