Home / 4,720.41-7,079.67-4,486.23

Finding the Fourth Proportional to 4,720.41, 7,079.67 and 4,486.23

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Solution

The fourth proportional to 4,720.41, 7,079.67 and 4,486.23 is: 6,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.41 : 7,079.67 = 4,486.23 : x
  2. Step 2: Convert to fraction form
    4,720.41/7,079.67 = 4,486.23/x
  3. Step 3: Cross multiply
    4,720.41x = 7,079.67 × 4,486.23
  4. Step 4: Simplify right side
    4,720.41x = 31,761,027.94
  5. Step 5: Solve for x
    x = 31,761,027.94/4,720.41
  6. Step 6: Final answer
    x = 6,728.45

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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.