Home / 4,698.90-7,038.77-2,226.21

Finding the Fourth Proportional to 4,698.90, 7,038.77 and 2,226.21

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Solution

The fourth proportional to 4,698.90, 7,038.77 and 2,226.21 is: 3,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.90 : 7,038.77 = 2,226.21 : x
  2. Step 2: Convert to fraction form
    4,698.90/7,038.77 = 2,226.21/x
  3. Step 3: Cross multiply
    4,698.90x = 7,038.77 × 2,226.21
  4. Step 4: Simplify right side
    4,698.90x = 15,669,769.03
  5. Step 5: Solve for x
    x = 15,669,769.03/4,698.90
  6. Step 6: Final answer
    x = 3,334.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.