Home / 4,946.67-7,421.09-1,436.72

Finding the Fourth Proportional to 4,946.67, 7,421.09 and 1,436.72

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Solution

The fourth proportional to 4,946.67, 7,421.09 and 1,436.72 is: 2,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.67 : 7,421.09 = 1,436.72 : x
  2. Step 2: Convert to fraction form
    4,946.67/7,421.09 = 1,436.72/x
  3. Step 3: Cross multiply
    4,946.67x = 7,421.09 × 1,436.72
  4. Step 4: Simplify right side
    4,946.67x = 10,661,984.14
  5. Step 5: Solve for x
    x = 10,661,984.14/4,946.67
  6. Step 6: Final answer
    x = 2,155.39

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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.