Home / 4,453.35-6,678.55-1,641.53

Finding the Fourth Proportional to 4,453.35, 6,678.55 and 1,641.53

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Solution

The fourth proportional to 4,453.35, 6,678.55 and 1,641.53 is: 2,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.35 : 6,678.55 = 1,641.53 : x
  2. Step 2: Convert to fraction form
    4,453.35/6,678.55 = 1,641.53/x
  3. Step 3: Cross multiply
    4,453.35x = 6,678.55 × 1,641.53
  4. Step 4: Simplify right side
    4,453.35x = 10,963,040.18
  5. Step 5: Solve for x
    x = 10,963,040.18/4,453.35
  6. Step 6: Final answer
    x = 2,461.75

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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.