Home / 6,021.75-9,031.71-1,639.55

Finding the Fourth Proportional to 6,021.75, 9,031.71 and 1,639.55

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Solution

The fourth proportional to 6,021.75, 9,031.71 and 1,639.55 is: 2,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.75 : 9,031.71 = 1,639.55 : x
  2. Step 2: Convert to fraction form
    6,021.75/9,031.71 = 1,639.55/x
  3. Step 3: Cross multiply
    6,021.75x = 9,031.71 × 1,639.55
  4. Step 4: Simplify right side
    6,021.75x = 14,807,894.97
  5. Step 5: Solve for x
    x = 14,807,894.97/6,021.75
  6. Step 6: Final answer
    x = 2,459.07

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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.