Home / 4,551.48-6,281.30-2,782.80

Finding the Fourth Proportional to 4,551.48, 6,281.30 and 2,782.80

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Solution

The fourth proportional to 4,551.48, 6,281.30 and 2,782.80 is: 3,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.48 : 6,281.30 = 2,782.80 : x
  2. Step 2: Convert to fraction form
    4,551.48/6,281.30 = 2,782.80/x
  3. Step 3: Cross multiply
    4,551.48x = 6,281.30 × 2,782.80
  4. Step 4: Simplify right side
    4,551.48x = 17,479,601.64
  5. Step 5: Solve for x
    x = 17,479,601.64/4,551.48
  6. Step 6: Final answer
    x = 3,840.42

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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.