Home / 9,021.40-13,535.34-4,087.36

Finding the Fourth Proportional to 9,021.40, 13,535.34 and 4,087.36

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Solution

The fourth proportional to 9,021.40, 13,535.34 and 4,087.36 is: 6,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.40 : 13,535.34 = 4,087.36 : x
  2. Step 2: Convert to fraction form
    9,021.40/13,535.34 = 4,087.36/x
  3. Step 3: Cross multiply
    9,021.40x = 13,535.34 × 4,087.36
  4. Step 4: Simplify right side
    9,021.40x = 55,323,807.30
  5. Step 5: Solve for x
    x = 55,323,807.30/9,021.40
  6. Step 6: Final answer
    x = 6,132.51

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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.