Home / 5,076.48-7,005.30-2,950.68

Finding the Fourth Proportional to 5,076.48, 7,005.30 and 2,950.68

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Solution

The fourth proportional to 5,076.48, 7,005.30 and 2,950.68 is: 4,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.48 : 7,005.30 = 2,950.68 : x
  2. Step 2: Convert to fraction form
    5,076.48/7,005.30 = 2,950.68/x
  3. Step 3: Cross multiply
    5,076.48x = 7,005.30 × 2,950.68
  4. Step 4: Simplify right side
    5,076.48x = 20,670,398.60
  5. Step 5: Solve for x
    x = 20,670,398.60/5,076.48
  6. Step 6: Final answer
    x = 4,071.80

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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.