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Finding the Fourth Proportional to 4,750.35, 7,130.10 and 4,057.80

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Solution

The fourth proportional to 4,750.35, 7,130.10 and 4,057.80 is: 6,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.35 : 7,130.10 = 4,057.80 : x
  2. Step 2: Convert to fraction form
    4,750.35/7,130.10 = 4,057.80/x
  3. Step 3: Cross multiply
    4,750.35x = 7,130.10 × 4,057.80
  4. Step 4: Simplify right side
    4,750.35x = 28,932,519.78
  5. Step 5: Solve for x
    x = 28,932,519.78/4,750.35
  6. Step 6: Final answer
    x = 6,090.61

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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.