Home / 5,011.86-6,917.76-2,916.39

Finding the Fourth Proportional to 5,011.86, 6,917.76 and 2,916.39

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Solution

The fourth proportional to 5,011.86, 6,917.76 and 2,916.39 is: 4,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.86 : 6,917.76 = 2,916.39 : x
  2. Step 2: Convert to fraction form
    5,011.86/6,917.76 = 2,916.39/x
  3. Step 3: Cross multiply
    5,011.86x = 6,917.76 × 2,916.39
  4. Step 4: Simplify right side
    5,011.86x = 20,174,886.09
  5. Step 5: Solve for x
    x = 20,174,886.09/5,011.86
  6. Step 6: Final answer
    x = 4,025.43

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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.