Home / 7,619.92-10,516.86-4,476.28

Finding the Fourth Proportional to 7,619.92, 10,516.86 and 4,476.28

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Solution

The fourth proportional to 7,619.92, 10,516.86 and 4,476.28 is: 6,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.92 : 10,516.86 = 4,476.28 : x
  2. Step 2: Convert to fraction form
    7,619.92/10,516.86 = 4,476.28/x
  3. Step 3: Cross multiply
    7,619.92x = 10,516.86 × 4,476.28
  4. Step 4: Simplify right side
    7,619.92x = 47,076,410.08
  5. Step 5: Solve for x
    x = 47,076,410.08/7,619.92
  6. Step 6: Final answer
    x = 6,178.07

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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.