Home / 4,819.19-7,228.71-1,531.67

Finding the Fourth Proportional to 4,819.19, 7,228.71 and 1,531.67

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Solution

The fourth proportional to 4,819.19, 7,228.71 and 1,531.67 is: 2,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.19 : 7,228.71 = 1,531.67 : x
  2. Step 2: Convert to fraction form
    4,819.19/7,228.71 = 1,531.67/x
  3. Step 3: Cross multiply
    4,819.19x = 7,228.71 × 1,531.67
  4. Step 4: Simplify right side
    4,819.19x = 11,071,962.10
  5. Step 5: Solve for x
    x = 11,071,962.10/4,819.19
  6. Step 6: Final answer
    x = 2,297.48

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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.