Home / 4,549.44-6,276.24-2,780.40

Finding the Fourth Proportional to 4,549.44, 6,276.24 and 2,780.40

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Solution

The fourth proportional to 4,549.44, 6,276.24 and 2,780.40 is: 3,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.44 : 6,276.24 = 2,780.40 : x
  2. Step 2: Convert to fraction form
    4,549.44/6,276.24 = 2,780.40/x
  3. Step 3: Cross multiply
    4,549.44x = 6,276.24 × 2,780.40
  4. Step 4: Simplify right side
    4,549.44x = 17,450,457.70
  5. Step 5: Solve for x
    x = 17,450,457.70/4,549.44
  6. Step 6: Final answer
    x = 3,835.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.