Home / 8,285.28-11,435.33-4,700.31

Finding the Fourth Proportional to 8,285.28, 11,435.33 and 4,700.31

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Solution

The fourth proportional to 8,285.28, 11,435.33 and 4,700.31 is: 6,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.28 : 11,435.33 = 4,700.31 : x
  2. Step 2: Convert to fraction form
    8,285.28/11,435.33 = 4,700.31/x
  3. Step 3: Cross multiply
    8,285.28x = 11,435.33 × 4,700.31
  4. Step 4: Simplify right side
    8,285.28x = 53,749,515.27
  5. Step 5: Solve for x
    x = 53,749,515.27/8,285.28
  6. Step 6: Final answer
    x = 6,487.35

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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.