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Finding the Fourth Proportional to 6,277.90, 8,663.50 and 3,483.40

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Solution

The fourth proportional to 6,277.90, 8,663.50 and 3,483.40 is: 4,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.90 : 8,663.50 = 3,483.40 : x
  2. Step 2: Convert to fraction form
    6,277.90/8,663.50 = 3,483.40/x
  3. Step 3: Cross multiply
    6,277.90x = 8,663.50 × 3,483.40
  4. Step 4: Simplify right side
    6,277.90x = 30,178,435.90
  5. Step 5: Solve for x
    x = 30,178,435.90/6,277.90
  6. Step 6: Final answer
    x = 4,807.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.