Home / 4,771.41-7,155.90-3,210.54

Finding the Fourth Proportional to 4,771.41, 7,155.90 and 3,210.54

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Solution

The fourth proportional to 4,771.41, 7,155.90 and 3,210.54 is: 4,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.41 : 7,155.90 = 3,210.54 : x
  2. Step 2: Convert to fraction form
    4,771.41/7,155.90 = 3,210.54/x
  3. Step 3: Cross multiply
    4,771.41x = 7,155.90 × 3,210.54
  4. Step 4: Simplify right side
    4,771.41x = 22,974,303.19
  5. Step 5: Solve for x
    x = 22,974,303.19/4,771.41
  6. Step 6: Final answer
    x = 4,814.99

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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.