Home / 7,976.77-11,004.66-5,143.52

Finding the Fourth Proportional to 7,976.77, 11,004.66 and 5,143.52

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Solution

The fourth proportional to 7,976.77, 11,004.66 and 5,143.52 is: 7,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.77 : 11,004.66 = 5,143.52 : x
  2. Step 2: Convert to fraction form
    7,976.77/11,004.66 = 5,143.52/x
  3. Step 3: Cross multiply
    7,976.77x = 11,004.66 × 5,143.52
  4. Step 4: Simplify right side
    7,976.77x = 56,602,688.80
  5. Step 5: Solve for x
    x = 56,602,688.80/7,976.77
  6. Step 6: Final answer
    x = 7,095.94

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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.