Home / 9,217.79-12,710.50-6,228.44

Finding the Fourth Proportional to 9,217.79, 12,710.50 and 6,228.44

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Solution

The fourth proportional to 9,217.79, 12,710.50 and 6,228.44 is: 8,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.79 : 12,710.50 = 6,228.44 : x
  2. Step 2: Convert to fraction form
    9,217.79/12,710.50 = 6,228.44/x
  3. Step 3: Cross multiply
    9,217.79x = 12,710.50 × 6,228.44
  4. Step 4: Simplify right side
    9,217.79x = 79,166,586.62
  5. Step 5: Solve for x
    x = 79,166,586.62/9,217.79
  6. Step 6: Final answer
    x = 8,588.46

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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.