Home / 5,036.76-6,940.62-4,158.72

Finding the Fourth Proportional to 5,036.76, 6,940.62 and 4,158.72

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Solution

The fourth proportional to 5,036.76, 6,940.62 and 4,158.72 is: 5,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.76 : 6,940.62 = 4,158.72 : x
  2. Step 2: Convert to fraction form
    5,036.76/6,940.62 = 4,158.72/x
  3. Step 3: Cross multiply
    5,036.76x = 6,940.62 × 4,158.72
  4. Step 4: Simplify right side
    5,036.76x = 28,864,095.21
  5. Step 5: Solve for x
    x = 28,864,095.21/5,036.76
  6. Step 6: Final answer
    x = 5,730.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.