Home / 5,379.24-8,068.89-2,455.50

Finding the Fourth Proportional to 5,379.24, 8,068.89 and 2,455.50

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Solution

The fourth proportional to 5,379.24, 8,068.89 and 2,455.50 is: 3,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.24 : 8,068.89 = 2,455.50 : x
  2. Step 2: Convert to fraction form
    5,379.24/8,068.89 = 2,455.50/x
  3. Step 3: Cross multiply
    5,379.24x = 8,068.89 × 2,455.50
  4. Step 4: Simplify right side
    5,379.24x = 19,813,159.40
  5. Step 5: Solve for x
    x = 19,813,159.40/5,379.24
  6. Step 6: Final answer
    x = 3,683.26

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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.