Home / 6,319.94-9,478.28-1,876.56

Finding the Fourth Proportional to 6,319.94, 9,478.28 and 1,876.56

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Solution

The fourth proportional to 6,319.94, 9,478.28 and 1,876.56 is: 2,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.94 : 9,478.28 = 1,876.56 : x
  2. Step 2: Convert to fraction form
    6,319.94/9,478.28 = 1,876.56/x
  3. Step 3: Cross multiply
    6,319.94x = 9,478.28 × 1,876.56
  4. Step 4: Simplify right side
    6,319.94x = 17,786,561.12
  5. Step 5: Solve for x
    x = 17,786,561.12/6,319.94
  6. Step 6: Final answer
    x = 2,814.36

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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.