Home / 4,211.06-6,316.58-1,289.36

Finding the Fourth Proportional to 4,211.06, 6,316.58 and 1,289.36

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Solution

The fourth proportional to 4,211.06, 6,316.58 and 1,289.36 is: 1,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.06 : 6,316.58 = 1,289.36 : x
  2. Step 2: Convert to fraction form
    4,211.06/6,316.58 = 1,289.36/x
  3. Step 3: Cross multiply
    4,211.06x = 6,316.58 × 1,289.36
  4. Step 4: Simplify right side
    4,211.06x = 8,144,345.59
  5. Step 5: Solve for x
    x = 8,144,345.59/4,211.06
  6. Step 6: Final answer
    x = 1,934.04

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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.