Home / 4,689.90-7,032.42-2,225.88

Finding the Fourth Proportional to 4,689.90, 7,032.42 and 2,225.88

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Solution

The fourth proportional to 4,689.90, 7,032.42 and 2,225.88 is: 3,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.90 : 7,032.42 = 2,225.88 : x
  2. Step 2: Convert to fraction form
    4,689.90/7,032.42 = 2,225.88/x
  3. Step 3: Cross multiply
    4,689.90x = 7,032.42 × 2,225.88
  4. Step 4: Simplify right side
    4,689.90x = 15,653,323.03
  5. Step 5: Solve for x
    x = 15,653,323.03/4,689.90
  6. Step 6: Final answer
    x = 3,337.67

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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.