Home / 5,819.81-8,038.58-4,223.93

Finding the Fourth Proportional to 5,819.81, 8,038.58 and 4,223.93

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Solution

The fourth proportional to 5,819.81, 8,038.58 and 4,223.93 is: 5,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.81 : 8,038.58 = 4,223.93 : x
  2. Step 2: Convert to fraction form
    5,819.81/8,038.58 = 4,223.93/x
  3. Step 3: Cross multiply
    5,819.81x = 8,038.58 × 4,223.93
  4. Step 4: Simplify right side
    5,819.81x = 33,954,337.91
  5. Step 5: Solve for x
    x = 33,954,337.91/5,819.81
  6. Step 6: Final answer
    x = 5,834.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.