Home / 5,557.95-8,330.33-2,783.79

Finding the Fourth Proportional to 5,557.95, 8,330.33 and 2,783.79

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Solution

The fourth proportional to 5,557.95, 8,330.33 and 2,783.79 is: 4,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.95 : 8,330.33 = 2,783.79 : x
  2. Step 2: Convert to fraction form
    5,557.95/8,330.33 = 2,783.79/x
  3. Step 3: Cross multiply
    5,557.95x = 8,330.33 × 2,783.79
  4. Step 4: Simplify right side
    5,557.95x = 23,189,875.43
  5. Step 5: Solve for x
    x = 23,189,875.43/5,557.95
  6. Step 6: Final answer
    x = 4,172.38

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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.