Home / 4,080.10-6,117.16-1,305.18

Finding the Fourth Proportional to 4,080.10, 6,117.16 and 1,305.18

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Solution

The fourth proportional to 4,080.10, 6,117.16 and 1,305.18 is: 1,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.10 : 6,117.16 = 1,305.18 : x
  2. Step 2: Convert to fraction form
    4,080.10/6,117.16 = 1,305.18/x
  3. Step 3: Cross multiply
    4,080.10x = 6,117.16 × 1,305.18
  4. Step 4: Simplify right side
    4,080.10x = 7,983,994.89
  5. Step 5: Solve for x
    x = 7,983,994.89/4,080.10
  6. Step 6: Final answer
    x = 1,956.81

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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.