Home / 5,557.65-8,334.45-2,783.40

Finding the Fourth Proportional to 5,557.65, 8,334.45 and 2,783.40

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Solution

The fourth proportional to 5,557.65, 8,334.45 and 2,783.40 is: 4,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.65 : 8,334.45 = 2,783.40 : x
  2. Step 2: Convert to fraction form
    5,557.65/8,334.45 = 2,783.40/x
  3. Step 3: Cross multiply
    5,557.65x = 8,334.45 × 2,783.40
  4. Step 4: Simplify right side
    5,557.65x = 23,198,108.13
  5. Step 5: Solve for x
    x = 23,198,108.13/5,557.65
  6. Step 6: Final answer
    x = 4,174.09

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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.