Home / 9,021.40-13,532.10-4,089.64

Finding the Fourth Proportional to 9,021.40, 13,532.10 and 4,089.64

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Solution

The fourth proportional to 9,021.40, 13,532.10 and 4,089.64 is: 6,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.40 : 13,532.10 = 4,089.64 : x
  2. Step 2: Convert to fraction form
    9,021.40/13,532.10 = 4,089.64/x
  3. Step 3: Cross multiply
    9,021.40x = 13,532.10 × 4,089.64
  4. Step 4: Simplify right side
    9,021.40x = 55,341,417.44
  5. Step 5: Solve for x
    x = 55,341,417.44/9,021.40
  6. Step 6: Final answer
    x = 6,134.46

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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.