Home / 4,289.21-6,434.54-1,477.94

Finding the Fourth Proportional to 4,289.21, 6,434.54 and 1,477.94

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Solution

The fourth proportional to 4,289.21, 6,434.54 and 1,477.94 is: 2,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.21 : 6,434.54 = 1,477.94 : x
  2. Step 2: Convert to fraction form
    4,289.21/6,434.54 = 1,477.94/x
  3. Step 3: Cross multiply
    4,289.21x = 6,434.54 × 1,477.94
  4. Step 4: Simplify right side
    4,289.21x = 9,509,830.03
  5. Step 5: Solve for x
    x = 9,509,830.03/4,289.21
  6. Step 6: Final answer
    x = 2,217.15

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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.