Home / 4,638.98-6,400.19-2,622.15

Finding the Fourth Proportional to 4,638.98, 6,400.19 and 2,622.15

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Solution

The fourth proportional to 4,638.98, 6,400.19 and 2,622.15 is: 3,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.98 : 6,400.19 = 2,622.15 : x
  2. Step 2: Convert to fraction form
    4,638.98/6,400.19 = 2,622.15/x
  3. Step 3: Cross multiply
    4,638.98x = 6,400.19 × 2,622.15
  4. Step 4: Simplify right side
    4,638.98x = 16,782,264.76
  5. Step 5: Solve for x
    x = 16,782,264.76/4,638.98
  6. Step 6: Final answer
    x = 3,617.66

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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.