Home / 5,713.39-7,887.84-4,285.56

Finding the Fourth Proportional to 5,713.39, 7,887.84 and 4,285.56

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Solution

The fourth proportional to 5,713.39, 7,887.84 and 4,285.56 is: 5,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.39 : 7,887.84 = 4,285.56 : x
  2. Step 2: Convert to fraction form
    5,713.39/7,887.84 = 4,285.56/x
  3. Step 3: Cross multiply
    5,713.39x = 7,887.84 × 4,285.56
  4. Step 4: Simplify right side
    5,713.39x = 33,803,811.59
  5. Step 5: Solve for x
    x = 33,803,811.59/5,713.39
  6. Step 6: Final answer
    x = 5,916.59

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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.