Home / 5,819.02-8,723.05-1,921.30

Finding the Fourth Proportional to 5,819.02, 8,723.05 and 1,921.30

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Solution

The fourth proportional to 5,819.02, 8,723.05 and 1,921.30 is: 2,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.02 : 8,723.05 = 1,921.30 : x
  2. Step 2: Convert to fraction form
    5,819.02/8,723.05 = 1,921.30/x
  3. Step 3: Cross multiply
    5,819.02x = 8,723.05 × 1,921.30
  4. Step 4: Simplify right side
    5,819.02x = 16,759,595.97
  5. Step 5: Solve for x
    x = 16,759,595.97/5,819.02
  6. Step 6: Final answer
    x = 2,880.14

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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.