Home / 4,281.63-6,418.55-1,647.45

Finding the Fourth Proportional to 4,281.63, 6,418.55 and 1,647.45

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Solution

The fourth proportional to 4,281.63, 6,418.55 and 1,647.45 is: 2,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.63 : 6,418.55 = 1,647.45 : x
  2. Step 2: Convert to fraction form
    4,281.63/6,418.55 = 1,647.45/x
  3. Step 3: Cross multiply
    4,281.63x = 6,418.55 × 1,647.45
  4. Step 4: Simplify right side
    4,281.63x = 10,574,268.88
  5. Step 5: Solve for x
    x = 10,574,268.88/4,281.63
  6. Step 6: Final answer
    x = 2,469.68

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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.