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Finding the Fourth Proportional to 5,683.99, 8,518.08 and 4,942.08

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Solution

The fourth proportional to 5,683.99, 8,518.08 and 4,942.08 is: 7,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.99 : 8,518.08 = 4,942.08 : x
  2. Step 2: Convert to fraction form
    5,683.99/8,518.08 = 4,942.08/x
  3. Step 3: Cross multiply
    5,683.99x = 8,518.08 × 4,942.08
  4. Step 4: Simplify right side
    5,683.99x = 42,097,051.34
  5. Step 5: Solve for x
    x = 42,097,051.34/5,683.99
  6. Step 6: Final answer
    x = 7,406.25

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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.