Home / 7,976.47-11,006.81-4,619.51

Finding the Fourth Proportional to 7,976.47, 11,006.81 and 4,619.51

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Solution

The fourth proportional to 7,976.47, 11,006.81 and 4,619.51 is: 6,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.47 : 11,006.81 = 4,619.51 : x
  2. Step 2: Convert to fraction form
    7,976.47/11,006.81 = 4,619.51/x
  3. Step 3: Cross multiply
    7,976.47x = 11,006.81 × 4,619.51
  4. Step 4: Simplify right side
    7,976.47x = 50,846,068.86
  5. Step 5: Solve for x
    x = 50,846,068.86/7,976.47
  6. Step 6: Final answer
    x = 6,374.51

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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.