Home / 4,939.50-7,376.67-4,395.18

Finding the Fourth Proportional to 4,939.50, 7,376.67 and 4,395.18

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Solution

The fourth proportional to 4,939.50, 7,376.67 and 4,395.18 is: 6,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.50 : 7,376.67 = 4,395.18 : x
  2. Step 2: Convert to fraction form
    4,939.50/7,376.67 = 4,395.18/x
  3. Step 3: Cross multiply
    4,939.50x = 7,376.67 × 4,395.18
  4. Step 4: Simplify right side
    4,939.50x = 32,421,792.45
  5. Step 5: Solve for x
    x = 32,421,792.45/4,939.50
  6. Step 6: Final answer
    x = 6,563.78

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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.