Home / 4,627.99-6,386.63-2,638.49

Finding the Fourth Proportional to 4,627.99, 6,386.63 and 2,638.49

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Solution

The fourth proportional to 4,627.99, 6,386.63 and 2,638.49 is: 3,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.99 : 6,386.63 = 2,638.49 : x
  2. Step 2: Convert to fraction form
    4,627.99/6,386.63 = 2,638.49/x
  3. Step 3: Cross multiply
    4,627.99x = 6,386.63 × 2,638.49
  4. Step 4: Simplify right side
    4,627.99x = 16,851,065.03
  5. Step 5: Solve for x
    x = 16,851,065.03/4,627.99
  6. Step 6: Final answer
    x = 3,641.12

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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.