Home / 5,288.40-7,893.54-4,960.08

Finding the Fourth Proportional to 5,288.40, 7,893.54 and 4,960.08

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Solution

The fourth proportional to 5,288.40, 7,893.54 and 4,960.08 is: 7,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.40 : 7,893.54 = 4,960.08 : x
  2. Step 2: Convert to fraction form
    5,288.40/7,893.54 = 4,960.08/x
  3. Step 3: Cross multiply
    5,288.40x = 7,893.54 × 4,960.08
  4. Step 4: Simplify right side
    5,288.40x = 39,152,589.88
  5. Step 5: Solve for x
    x = 39,152,589.88/5,288.40
  6. Step 6: Final answer
    x = 7,403.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.