Home / 4,627.68-6,386.55-2,638.28

Finding the Fourth Proportional to 4,627.68, 6,386.55 and 2,638.28

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Solution

The fourth proportional to 4,627.68, 6,386.55 and 2,638.28 is: 3,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.68 : 6,386.55 = 2,638.28 : x
  2. Step 2: Convert to fraction form
    4,627.68/6,386.55 = 2,638.28/x
  3. Step 3: Cross multiply
    4,627.68x = 6,386.55 × 2,638.28
  4. Step 4: Simplify right side
    4,627.68x = 16,849,523.10
  5. Step 5: Solve for x
    x = 16,849,523.10/4,627.68
  6. Step 6: Final answer
    x = 3,641.03

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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.