Home / 4,679.47-7,046.90-4,070.54

Finding the Fourth Proportional to 4,679.47, 7,046.90 and 4,070.54

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Solution

The fourth proportional to 4,679.47, 7,046.90 and 4,070.54 is: 6,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.47 : 7,046.90 = 4,070.54 : x
  2. Step 2: Convert to fraction form
    4,679.47/7,046.90 = 4,070.54/x
  3. Step 3: Cross multiply
    4,679.47x = 7,046.90 × 4,070.54
  4. Step 4: Simplify right side
    4,679.47x = 28,684,661.22
  5. Step 5: Solve for x
    x = 28,684,661.22/4,679.47
  6. Step 6: Final answer
    x = 6,129.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.