Home / 4,842.16-7,263.30-1,379.40

Finding the Fourth Proportional to 4,842.16, 7,263.30 and 1,379.40

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Solution

The fourth proportional to 4,842.16, 7,263.30 and 1,379.40 is: 2,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.16 : 7,263.30 = 1,379.40 : x
  2. Step 2: Convert to fraction form
    4,842.16/7,263.30 = 1,379.40/x
  3. Step 3: Cross multiply
    4,842.16x = 7,263.30 × 1,379.40
  4. Step 4: Simplify right side
    4,842.16x = 10,018,996.02
  5. Step 5: Solve for x
    x = 10,018,996.02/4,842.16
  6. Step 6: Final answer
    x = 2,069.12

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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.