Home / 6,085.59-9,129.75-2,190

Finding the Fourth Proportional to 6,085.59, 9,129.75 and 2,190

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Solution

The fourth proportional to 6,085.59, 9,129.75 and 2,190 is: 3,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.59 : 9,129.75 = 2,190 : x
  2. Step 2: Convert to fraction form
    6,085.59/9,129.75 = 2,190/x
  3. Step 3: Cross multiply
    6,085.59x = 9,129.75 × 2,190
  4. Step 4: Simplify right side
    6,085.59x = 19,994,152.50
  5. Step 5: Solve for x
    x = 19,994,152.50/6,085.59
  6. Step 6: Final answer
    x = 3,285.49

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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.