Home / 4,785.53-6,607.25-4,279.80

Finding the Fourth Proportional to 4,785.53, 6,607.25 and 4,279.80

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Solution

The fourth proportional to 4,785.53, 6,607.25 and 4,279.80 is: 5,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.53 : 6,607.25 = 4,279.80 : x
  2. Step 2: Convert to fraction form
    4,785.53/6,607.25 = 4,279.80/x
  3. Step 3: Cross multiply
    4,785.53x = 6,607.25 × 4,279.80
  4. Step 4: Simplify right side
    4,785.53x = 28,277,711.93
  5. Step 5: Solve for x
    x = 28,277,711.93/4,785.53
  6. Step 6: Final answer
    x = 5,909.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.