Home / 8,210.72-11,330.40-4,673.60

Finding the Fourth Proportional to 8,210.72, 11,330.40 and 4,673.60

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Solution

The fourth proportional to 8,210.72, 11,330.40 and 4,673.60 is: 6,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.72 : 11,330.40 = 4,673.60 : x
  2. Step 2: Convert to fraction form
    8,210.72/11,330.40 = 4,673.60/x
  3. Step 3: Cross multiply
    8,210.72x = 11,330.40 × 4,673.60
  4. Step 4: Simplify right side
    8,210.72x = 52,953,757.44
  5. Step 5: Solve for x
    x = 52,953,757.44/8,210.72
  6. Step 6: Final answer
    x = 6,449.34

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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.