Home / 4,971.70-7,456.40-1,460.77

Finding the Fourth Proportional to 4,971.70, 7,456.40 and 1,460.77

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Solution

The fourth proportional to 4,971.70, 7,456.40 and 1,460.77 is: 2,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.70 : 7,456.40 = 1,460.77 : x
  2. Step 2: Convert to fraction form
    4,971.70/7,456.40 = 1,460.77/x
  3. Step 3: Cross multiply
    4,971.70x = 7,456.40 × 1,460.77
  4. Step 4: Simplify right side
    4,971.70x = 10,892,085.43
  5. Step 5: Solve for x
    x = 10,892,085.43/4,971.70
  6. Step 6: Final answer
    x = 2,190.82

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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.