Home / 5,325.63-7,985.81-1,626.98

Finding the Fourth Proportional to 5,325.63, 7,985.81 and 1,626.98

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Solution

The fourth proportional to 5,325.63, 7,985.81 and 1,626.98 is: 2,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.63 : 7,985.81 = 1,626.98 : x
  2. Step 2: Convert to fraction form
    5,325.63/7,985.81 = 1,626.98/x
  3. Step 3: Cross multiply
    5,325.63x = 7,985.81 × 1,626.98
  4. Step 4: Simplify right side
    5,325.63x = 12,992,705.09
  5. Step 5: Solve for x
    x = 12,992,705.09/5,325.63
  6. Step 6: Final answer
    x = 2,439.66

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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.