Home / 4,474.98-6,711.75-1,188.45

Finding the Fourth Proportional to 4,474.98, 6,711.75 and 1,188.45

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Solution

The fourth proportional to 4,474.98, 6,711.75 and 1,188.45 is: 1,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.98 : 6,711.75 = 1,188.45 : x
  2. Step 2: Convert to fraction form
    4,474.98/6,711.75 = 1,188.45/x
  3. Step 3: Cross multiply
    4,474.98x = 6,711.75 × 1,188.45
  4. Step 4: Simplify right side
    4,474.98x = 7,976,579.29
  5. Step 5: Solve for x
    x = 7,976,579.29/4,474.98
  6. Step 6: Final answer
    x = 1,782.48

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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.