Home / 5,527.45-8,291.65-1,578.64

Finding the Fourth Proportional to 5,527.45, 8,291.65 and 1,578.64

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Solution

The fourth proportional to 5,527.45, 8,291.65 and 1,578.64 is: 2,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.45 : 8,291.65 = 1,578.64 : x
  2. Step 2: Convert to fraction form
    5,527.45/8,291.65 = 1,578.64/x
  3. Step 3: Cross multiply
    5,527.45x = 8,291.65 × 1,578.64
  4. Step 4: Simplify right side
    5,527.45x = 13,089,495.87
  5. Step 5: Solve for x
    x = 13,089,495.87/5,527.45
  6. Step 6: Final answer
    x = 2,368.09

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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.