Home / 5,478.54-8,225.09-3,705.55

Finding the Fourth Proportional to 5,478.54, 8,225.09 and 3,705.55

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Solution

The fourth proportional to 5,478.54, 8,225.09 and 3,705.55 is: 5,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.54 : 8,225.09 = 3,705.55 : x
  2. Step 2: Convert to fraction form
    5,478.54/8,225.09 = 3,705.55/x
  3. Step 3: Cross multiply
    5,478.54x = 8,225.09 × 3,705.55
  4. Step 4: Simplify right side
    5,478.54x = 30,478,482.25
  5. Step 5: Solve for x
    x = 30,478,482.25/5,478.54
  6. Step 6: Final answer
    x = 5,563.25

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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.