Home / 5,828.21-8,740.85-1,668.25

Finding the Fourth Proportional to 5,828.21, 8,740.85 and 1,668.25

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Solution

The fourth proportional to 5,828.21, 8,740.85 and 1,668.25 is: 2,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.21 : 8,740.85 = 1,668.25 : x
  2. Step 2: Convert to fraction form
    5,828.21/8,740.85 = 1,668.25/x
  3. Step 3: Cross multiply
    5,828.21x = 8,740.85 × 1,668.25
  4. Step 4: Simplify right side
    5,828.21x = 14,581,870.97
  5. Step 5: Solve for x
    x = 14,581,870.97/5,828.21
  6. Step 6: Final answer
    x = 2,501.95

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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.