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Finding the Fourth Proportional to 6,792.50, 9,378.52 and 4,692.98

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Solution

The fourth proportional to 6,792.50, 9,378.52 and 4,692.98 is: 6,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.50 : 9,378.52 = 4,692.98 : x
  2. Step 2: Convert to fraction form
    6,792.50/9,378.52 = 4,692.98/x
  3. Step 3: Cross multiply
    6,792.50x = 9,378.52 × 4,692.98
  4. Step 4: Simplify right side
    6,792.50x = 44,013,206.79
  5. Step 5: Solve for x
    x = 44,013,206.79/6,792.50
  6. Step 6: Final answer
    x = 6,479.68

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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.