Home / 8,287.02-11,434.97-4,928.60

Finding the Fourth Proportional to 8,287.02, 11,434.97 and 4,928.60

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Solution

The fourth proportional to 8,287.02, 11,434.97 and 4,928.60 is: 6,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.02 : 11,434.97 = 4,928.60 : x
  2. Step 2: Convert to fraction form
    8,287.02/11,434.97 = 4,928.60/x
  3. Step 3: Cross multiply
    8,287.02x = 11,434.97 × 4,928.60
  4. Step 4: Simplify right side
    8,287.02x = 56,358,311.32
  5. Step 5: Solve for x
    x = 56,358,311.32/8,287.02
  6. Step 6: Final answer
    x = 6,800.79

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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.