Home / 4,551.25-6,281.85-2,784.36

Finding the Fourth Proportional to 4,551.25, 6,281.85 and 2,784.36

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Solution

The fourth proportional to 4,551.25, 6,281.85 and 2,784.36 is: 3,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.25 : 6,281.85 = 2,784.36 : x
  2. Step 2: Convert to fraction form
    4,551.25/6,281.85 = 2,784.36/x
  3. Step 3: Cross multiply
    4,551.25x = 6,281.85 × 2,784.36
  4. Step 4: Simplify right side
    4,551.25x = 17,490,931.87
  5. Step 5: Solve for x
    x = 17,490,931.87/4,551.25
  6. Step 6: Final answer
    x = 3,843.11

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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.