Home / 5,647.93-8,522.47-5,420.34

Finding the Fourth Proportional to 5,647.93, 8,522.47 and 5,420.34

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Solution

The fourth proportional to 5,647.93, 8,522.47 and 5,420.34 is: 8,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.93 : 8,522.47 = 5,420.34 : x
  2. Step 2: Convert to fraction form
    5,647.93/8,522.47 = 5,420.34/x
  3. Step 3: Cross multiply
    5,647.93x = 8,522.47 × 5,420.34
  4. Step 4: Simplify right side
    5,647.93x = 46,194,685.30
  5. Step 5: Solve for x
    x = 46,194,685.30/5,647.93
  6. Step 6: Final answer
    x = 8,179.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.