Home / 4,130.60-6,195.89-1,939.32

Finding the Fourth Proportional to 4,130.60, 6,195.89 and 1,939.32

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Solution

The fourth proportional to 4,130.60, 6,195.89 and 1,939.32 is: 2,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.60 : 6,195.89 = 1,939.32 : x
  2. Step 2: Convert to fraction form
    4,130.60/6,195.89 = 1,939.32/x
  3. Step 3: Cross multiply
    4,130.60x = 6,195.89 × 1,939.32
  4. Step 4: Simplify right side
    4,130.60x = 12,015,818.24
  5. Step 5: Solve for x
    x = 12,015,818.24/4,130.60
  6. Step 6: Final answer
    x = 2,908.98

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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.