Home / 4,720.61-7,079.96-4,486.43

Finding the Fourth Proportional to 4,720.61, 7,079.96 and 4,486.43

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Solution

The fourth proportional to 4,720.61, 7,079.96 and 4,486.43 is: 6,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.61 : 7,079.96 = 4,486.43 : x
  2. Step 2: Convert to fraction form
    4,720.61/7,079.96 = 4,486.43/x
  3. Step 3: Cross multiply
    4,720.61x = 7,079.96 × 4,486.43
  4. Step 4: Simplify right side
    4,720.61x = 31,763,720.76
  5. Step 5: Solve for x
    x = 31,763,720.76/4,720.61
  6. Step 6: Final answer
    x = 6,728.74

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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.