Home / 4,291.08-6,437.33-1,328.84

Finding the Fourth Proportional to 4,291.08, 6,437.33 and 1,328.84

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Solution

The fourth proportional to 4,291.08, 6,437.33 and 1,328.84 is: 1,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.08 : 6,437.33 = 1,328.84 : x
  2. Step 2: Convert to fraction form
    4,291.08/6,437.33 = 1,328.84/x
  3. Step 3: Cross multiply
    4,291.08x = 6,437.33 × 1,328.84
  4. Step 4: Simplify right side
    4,291.08x = 8,554,181.60
  5. Step 5: Solve for x
    x = 8,554,181.60/4,291.08
  6. Step 6: Final answer
    x = 1,993.48

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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.