Home / 9,021.16-13,528.86-2,863.72

Finding the Fourth Proportional to 9,021.16, 13,528.86 and 2,863.72

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Solution

The fourth proportional to 9,021.16, 13,528.86 and 2,863.72 is: 4,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.16 : 13,528.86 = 2,863.72 : x
  2. Step 2: Convert to fraction form
    9,021.16/13,528.86 = 2,863.72/x
  3. Step 3: Cross multiply
    9,021.16x = 13,528.86 × 2,863.72
  4. Step 4: Simplify right side
    9,021.16x = 38,742,866.96
  5. Step 5: Solve for x
    x = 38,742,866.96/9,021.16
  6. Step 6: Final answer
    x = 4,294.67

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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.