Home / 8,412.80-11,614.37-5,056.47

Finding the Fourth Proportional to 8,412.80, 11,614.37 and 5,056.47

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Solution

The fourth proportional to 8,412.80, 11,614.37 and 5,056.47 is: 6,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.80 : 11,614.37 = 5,056.47 : x
  2. Step 2: Convert to fraction form
    8,412.80/11,614.37 = 5,056.47/x
  3. Step 3: Cross multiply
    8,412.80x = 11,614.37 × 5,056.47
  4. Step 4: Simplify right side
    8,412.80x = 58,727,688.19
  5. Step 5: Solve for x
    x = 58,727,688.19/8,412.80
  6. Step 6: Final answer
    x = 6,980.76

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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.