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Finding the Fourth Proportional to 6,482.49, 8,940.90 and 5,587.77

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Solution

The fourth proportional to 6,482.49, 8,940.90 and 5,587.77 is: 7,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.49 : 8,940.90 = 5,587.77 : x
  2. Step 2: Convert to fraction form
    6,482.49/8,940.90 = 5,587.77/x
  3. Step 3: Cross multiply
    6,482.49x = 8,940.90 × 5,587.77
  4. Step 4: Simplify right side
    6,482.49x = 49,959,692.79
  5. Step 5: Solve for x
    x = 49,959,692.79/6,482.49
  6. Step 6: Final answer
    x = 7,706.87

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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.