Home / 4,722.95-7,084.43-1,260.20

Finding the Fourth Proportional to 4,722.95, 7,084.43 and 1,260.20

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Solution

The fourth proportional to 4,722.95, 7,084.43 and 1,260.20 is: 1,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.95 : 7,084.43 = 1,260.20 : x
  2. Step 2: Convert to fraction form
    4,722.95/7,084.43 = 1,260.20/x
  3. Step 3: Cross multiply
    4,722.95x = 7,084.43 × 1,260.20
  4. Step 4: Simplify right side
    4,722.95x = 8,927,798.69
  5. Step 5: Solve for x
    x = 8,927,798.69/4,722.95
  6. Step 6: Final answer
    x = 1,890.30

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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.