Home / 4,077.38-6,115.86-1,155.69

Finding the Fourth Proportional to 4,077.38, 6,115.86 and 1,155.69

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Solution

The fourth proportional to 4,077.38, 6,115.86 and 1,155.69 is: 1,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.38 : 6,115.86 = 1,155.69 : x
  2. Step 2: Convert to fraction form
    4,077.38/6,115.86 = 1,155.69/x
  3. Step 3: Cross multiply
    4,077.38x = 6,115.86 × 1,155.69
  4. Step 4: Simplify right side
    4,077.38x = 7,068,038.24
  5. Step 5: Solve for x
    x = 7,068,038.24/4,077.38
  6. Step 6: Final answer
    x = 1,733.47

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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.