Home / 5,482.25-8,222.47-1,971.55

Finding the Fourth Proportional to 5,482.25, 8,222.47 and 1,971.55

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Solution

The fourth proportional to 5,482.25, 8,222.47 and 1,971.55 is: 2,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.25 : 8,222.47 = 1,971.55 : x
  2. Step 2: Convert to fraction form
    5,482.25/8,222.47 = 1,971.55/x
  3. Step 3: Cross multiply
    5,482.25x = 8,222.47 × 1,971.55
  4. Step 4: Simplify right side
    5,482.25x = 16,210,959.76
  5. Step 5: Solve for x
    x = 16,210,959.76/5,482.25
  6. Step 6: Final answer
    x = 2,956.99

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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.