Home / 4,032.87-5,567.78-2,638.05

Finding the Fourth Proportional to 4,032.87, 5,567.78 and 2,638.05

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Solution

The fourth proportional to 4,032.87, 5,567.78 and 2,638.05 is: 3,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032.87 : 5,567.78 = 2,638.05 : x
  2. Step 2: Convert to fraction form
    4,032.87/5,567.78 = 2,638.05/x
  3. Step 3: Cross multiply
    4,032.87x = 5,567.78 × 2,638.05
  4. Step 4: Simplify right side
    4,032.87x = 14,688,082.03
  5. Step 5: Solve for x
    x = 14,688,082.03/4,032.87
  6. Step 6: Final answer
    x = 3,642.09

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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.