Home / 6,021.60-9,030.78-2,125.50

Finding the Fourth Proportional to 6,021.60, 9,030.78 and 2,125.50

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Solution

The fourth proportional to 6,021.60, 9,030.78 and 2,125.50 is: 3,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.60 : 9,030.78 = 2,125.50 : x
  2. Step 2: Convert to fraction form
    6,021.60/9,030.78 = 2,125.50/x
  3. Step 3: Cross multiply
    6,021.60x = 9,030.78 × 2,125.50
  4. Step 4: Simplify right side
    6,021.60x = 19,194,922.89
  5. Step 5: Solve for x
    x = 19,194,922.89/6,021.60
  6. Step 6: Final answer
    x = 3,187.68

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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.