Home / 6,913.86-10,371.65-1,983.59

Finding the Fourth Proportional to 6,913.86, 10,371.65 and 1,983.59

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Solution

The fourth proportional to 6,913.86, 10,371.65 and 1,983.59 is: 2,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.86 : 10,371.65 = 1,983.59 : x
  2. Step 2: Convert to fraction form
    6,913.86/10,371.65 = 1,983.59/x
  3. Step 3: Cross multiply
    6,913.86x = 10,371.65 × 1,983.59
  4. Step 4: Simplify right side
    6,913.86x = 20,573,078.34
  5. Step 5: Solve for x
    x = 20,573,078.34/6,913.86
  6. Step 6: Final answer
    x = 2,975.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.