Home / 5,782.89-7,980.39-3,425.19

Finding the Fourth Proportional to 5,782.89, 7,980.39 and 3,425.19

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Solution

The fourth proportional to 5,782.89, 7,980.39 and 3,425.19 is: 4,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.89 : 7,980.39 = 3,425.19 : x
  2. Step 2: Convert to fraction form
    5,782.89/7,980.39 = 3,425.19/x
  3. Step 3: Cross multiply
    5,782.89x = 7,980.39 × 3,425.19
  4. Step 4: Simplify right side
    5,782.89x = 27,334,352.02
  5. Step 5: Solve for x
    x = 27,334,352.02/5,782.89
  6. Step 6: Final answer
    x = 4,726.76

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Half scale
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Double scale
Find fourth proportional to 5,783.89, 7,981.77 and 3,426.19
Similar ratio
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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.