Home / 8,728.04-13,090.76-2,884.70

Finding the Fourth Proportional to 8,728.04, 13,090.76 and 2,884.70

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Solution

The fourth proportional to 8,728.04, 13,090.76 and 2,884.70 is: 4,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.04 : 13,090.76 = 2,884.70 : x
  2. Step 2: Convert to fraction form
    8,728.04/13,090.76 = 2,884.70/x
  3. Step 3: Cross multiply
    8,728.04x = 13,090.76 × 2,884.70
  4. Step 4: Simplify right side
    8,728.04x = 37,762,915.37
  5. Step 5: Solve for x
    x = 37,762,915.37/8,728.04
  6. Step 6: Final answer
    x = 4,326.62

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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.