Home / 5,570.16-8,355.30-2,280.96

Finding the Fourth Proportional to 5,570.16, 8,355.30 and 2,280.96

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Solution

The fourth proportional to 5,570.16, 8,355.30 and 2,280.96 is: 3,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.16 : 8,355.30 = 2,280.96 : x
  2. Step 2: Convert to fraction form
    5,570.16/8,355.30 = 2,280.96/x
  3. Step 3: Cross multiply
    5,570.16x = 8,355.30 × 2,280.96
  4. Step 4: Simplify right side
    5,570.16x = 19,058,105.09
  5. Step 5: Solve for x
    x = 19,058,105.09/5,570.16
  6. Step 6: Final answer
    x = 3,421.46

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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.