Home / 4,079.10-6,115.65-1,304.17

Finding the Fourth Proportional to 4,079.10, 6,115.65 and 1,304.17

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Solution

The fourth proportional to 4,079.10, 6,115.65 and 1,304.17 is: 1,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.10 : 6,115.65 = 1,304.17 : x
  2. Step 2: Convert to fraction form
    4,079.10/6,115.65 = 1,304.17/x
  3. Step 3: Cross multiply
    4,079.10x = 6,115.65 × 1,304.17
  4. Step 4: Simplify right side
    4,079.10x = 7,975,847.26
  5. Step 5: Solve for x
    x = 7,975,847.26/4,079.10
  6. Step 6: Final answer
    x = 1,955.30

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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.