Home / 4,453.63-6,679.43-1,680.59

Finding the Fourth Proportional to 4,453.63, 6,679.43 and 1,680.59

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Solution

The fourth proportional to 4,453.63, 6,679.43 and 1,680.59 is: 2,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.63 : 6,679.43 = 1,680.59 : x
  2. Step 2: Convert to fraction form
    4,453.63/6,679.43 = 1,680.59/x
  3. Step 3: Cross multiply
    4,453.63x = 6,679.43 × 1,680.59
  4. Step 4: Simplify right side
    4,453.63x = 11,225,374.86
  5. Step 5: Solve for x
    x = 11,225,374.86/4,453.63
  6. Step 6: Final answer
    x = 2,520.50

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Half scale
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Double scale
Find fourth proportional to 4,454.63, 6,680.92 and 1,681.59
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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.