Home / 4,638.48-6,400.56-2,648.88

Finding the Fourth Proportional to 4,638.48, 6,400.56 and 2,648.88

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Solution

The fourth proportional to 4,638.48, 6,400.56 and 2,648.88 is: 3,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.48 : 6,400.56 = 2,648.88 : x
  2. Step 2: Convert to fraction form
    4,638.48/6,400.56 = 2,648.88/x
  3. Step 3: Cross multiply
    4,638.48x = 6,400.56 × 2,648.88
  4. Step 4: Simplify right side
    4,638.48x = 16,954,315.37
  5. Step 5: Solve for x
    x = 16,954,315.37/4,638.48
  6. Step 6: Final answer
    x = 3,655.14

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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.