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Finding the Fourth Proportional to 5,828.67, 8,745.40 and 4,276.59

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Solution

The fourth proportional to 5,828.67, 8,745.40 and 4,276.59 is: 6,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.67 : 8,745.40 = 4,276.59 : x
  2. Step 2: Convert to fraction form
    5,828.67/8,745.40 = 4,276.59/x
  3. Step 3: Cross multiply
    5,828.67x = 8,745.40 × 4,276.59
  4. Step 4: Simplify right side
    5,828.67x = 37,400,490.19
  5. Step 5: Solve for x
    x = 37,400,490.19/5,828.67
  6. Step 6: Final answer
    x = 6,416.64

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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.