Home / 4,291.32-6,437.58-1,329.12

Finding the Fourth Proportional to 4,291.32, 6,437.58 and 1,329.12

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Solution

The fourth proportional to 4,291.32, 6,437.58 and 1,329.12 is: 1,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.32 : 6,437.58 = 1,329.12 : x
  2. Step 2: Convert to fraction form
    4,291.32/6,437.58 = 1,329.12/x
  3. Step 3: Cross multiply
    4,291.32x = 6,437.58 × 1,329.12
  4. Step 4: Simplify right side
    4,291.32x = 8,556,316.33
  5. Step 5: Solve for x
    x = 8,556,316.33/4,291.32
  6. Step 6: Final answer
    x = 1,993.87

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1.5x scale

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.