Home / 5,483.07-8,220.98-1,971.31

Finding the Fourth Proportional to 5,483.07, 8,220.98 and 1,971.31

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Solution

The fourth proportional to 5,483.07, 8,220.98 and 1,971.31 is: 2,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.07 : 8,220.98 = 1,971.31 : x
  2. Step 2: Convert to fraction form
    5,483.07/8,220.98 = 1,971.31/x
  3. Step 3: Cross multiply
    5,483.07x = 8,220.98 × 1,971.31
  4. Step 4: Simplify right side
    5,483.07x = 16,206,100.08
  5. Step 5: Solve for x
    x = 16,206,100.08/5,483.07
  6. Step 6: Final answer
    x = 2,955.66

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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.