Home / 4,636.98-6,400.38-2,648.64

Finding the Fourth Proportional to 4,636.98, 6,400.38 and 2,648.64

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Solution

The fourth proportional to 4,636.98, 6,400.38 and 2,648.64 is: 3,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.98 : 6,400.38 = 2,648.64 : x
  2. Step 2: Convert to fraction form
    4,636.98/6,400.38 = 2,648.64/x
  3. Step 3: Cross multiply
    4,636.98x = 6,400.38 × 2,648.64
  4. Step 4: Simplify right side
    4,636.98x = 16,952,302.48
  5. Step 5: Solve for x
    x = 16,952,302.48/4,636.98
  6. Step 6: Final answer
    x = 3,655.89

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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.