Home / 6,291.08-9,437.98-1,908.86

Finding the Fourth Proportional to 6,291.08, 9,437.98 and 1,908.86

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Solution

The fourth proportional to 6,291.08, 9,437.98 and 1,908.86 is: 2,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.08 : 9,437.98 = 1,908.86 : x
  2. Step 2: Convert to fraction form
    6,291.08/9,437.98 = 1,908.86/x
  3. Step 3: Cross multiply
    6,291.08x = 9,437.98 × 1,908.86
  4. Step 4: Simplify right side
    6,291.08x = 18,015,782.50
  5. Step 5: Solve for x
    x = 18,015,782.50/6,291.08
  6. Step 6: Final answer
    x = 2,863.70

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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.