Home / 4,552.80-6,282.74-2,784.40

Finding the Fourth Proportional to 4,552.80, 6,282.74 and 2,784.40

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Solution

The fourth proportional to 4,552.80, 6,282.74 and 2,784.40 is: 3,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.80 : 6,282.74 = 2,784.40 : x
  2. Step 2: Convert to fraction form
    4,552.80/6,282.74 = 2,784.40/x
  3. Step 3: Cross multiply
    4,552.80x = 6,282.74 × 2,784.40
  4. Step 4: Simplify right side
    4,552.80x = 17,493,661.26
  5. Step 5: Solve for x
    x = 17,493,661.26/4,552.80
  6. Step 6: Final answer
    x = 3,842.40

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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.