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Finding the Fourth Proportional to 4,805.04, 7,205.40 and 1,684.40

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Solution

The fourth proportional to 4,805.04, 7,205.40 and 1,684.40 is: 2,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.04 : 7,205.40 = 1,684.40 : x
  2. Step 2: Convert to fraction form
    4,805.04/7,205.40 = 1,684.40/x
  3. Step 3: Cross multiply
    4,805.04x = 7,205.40 × 1,684.40
  4. Step 4: Simplify right side
    4,805.04x = 12,136,775.76
  5. Step 5: Solve for x
    x = 12,136,775.76/4,805.04
  6. Step 6: Final answer
    x = 2,525.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.