Home / 5,362.80-8,038.72-3,281.50

Finding the Fourth Proportional to 5,362.80, 8,038.72 and 3,281.50

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Solution

The fourth proportional to 5,362.80, 8,038.72 and 3,281.50 is: 4,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.80 : 8,038.72 = 3,281.50 : x
  2. Step 2: Convert to fraction form
    5,362.80/8,038.72 = 3,281.50/x
  3. Step 3: Cross multiply
    5,362.80x = 8,038.72 × 3,281.50
  4. Step 4: Simplify right side
    5,362.80x = 26,379,059.68
  5. Step 5: Solve for x
    x = 26,379,059.68/5,362.80
  6. Step 6: Final answer
    x = 4,918.90

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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.