Home / 4,627.53-6,386.55-2,638.50

Finding the Fourth Proportional to 4,627.53, 6,386.55 and 2,638.50

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Solution

The fourth proportional to 4,627.53, 6,386.55 and 2,638.50 is: 3,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.53 : 6,386.55 = 2,638.50 : x
  2. Step 2: Convert to fraction form
    4,627.53/6,386.55 = 2,638.50/x
  3. Step 3: Cross multiply
    4,627.53x = 6,386.55 × 2,638.50
  4. Step 4: Simplify right side
    4,627.53x = 16,850,912.18
  5. Step 5: Solve for x
    x = 16,850,912.18/4,627.53
  6. Step 6: Final answer
    x = 3,641.45

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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.