Home / 5,380.16-8,070.40-2,300.16

Finding the Fourth Proportional to 5,380.16, 8,070.40 and 2,300.16

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Solution

The fourth proportional to 5,380.16, 8,070.40 and 2,300.16 is: 3,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.16 : 8,070.40 = 2,300.16 : x
  2. Step 2: Convert to fraction form
    5,380.16/8,070.40 = 2,300.16/x
  3. Step 3: Cross multiply
    5,380.16x = 8,070.40 × 2,300.16
  4. Step 4: Simplify right side
    5,380.16x = 18,563,211.26
  5. Step 5: Solve for x
    x = 18,563,211.26/5,380.16
  6. Step 6: Final answer
    x = 3,450.31

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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.