Home / 6,877.98-10,317.64-1,947.64

Finding the Fourth Proportional to 6,877.98, 10,317.64 and 1,947.64

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Solution

The fourth proportional to 6,877.98, 10,317.64 and 1,947.64 is: 2,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.98 : 10,317.64 = 1,947.64 : x
  2. Step 2: Convert to fraction form
    6,877.98/10,317.64 = 1,947.64/x
  3. Step 3: Cross multiply
    6,877.98x = 10,317.64 × 1,947.64
  4. Step 4: Simplify right side
    6,877.98x = 20,095,048.37
  5. Step 5: Solve for x
    x = 20,095,048.37/6,877.98
  6. Step 6: Final answer
    x = 2,921.65

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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.