Home / 8,271.36-11,415.46-4,735.71

Finding the Fourth Proportional to 8,271.36, 11,415.46 and 4,735.71

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Solution

The fourth proportional to 8,271.36, 11,415.46 and 4,735.71 is: 6,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.36 : 11,415.46 = 4,735.71 : x
  2. Step 2: Convert to fraction form
    8,271.36/11,415.46 = 4,735.71/x
  3. Step 3: Cross multiply
    8,271.36x = 11,415.46 × 4,735.71
  4. Step 4: Simplify right side
    8,271.36x = 54,060,308.08
  5. Step 5: Solve for x
    x = 54,060,308.08/8,271.36
  6. Step 6: Final answer
    x = 6,535.84

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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.