Home / 5,526.10-8,289.27-1,422.10

Finding the Fourth Proportional to 5,526.10, 8,289.27 and 1,422.10

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Solution

The fourth proportional to 5,526.10, 8,289.27 and 1,422.10 is: 2,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.10 : 8,289.27 = 1,422.10 : x
  2. Step 2: Convert to fraction form
    5,526.10/8,289.27 = 1,422.10/x
  3. Step 3: Cross multiply
    5,526.10x = 8,289.27 × 1,422.10
  4. Step 4: Simplify right side
    5,526.10x = 11,788,170.87
  5. Step 5: Solve for x
    x = 11,788,170.87/5,526.10
  6. Step 6: Final answer
    x = 2,133.18

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1.5x scale

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.