Home / 8,480.04-12,710.30-3,283.08

Finding the Fourth Proportional to 8,480.04, 12,710.30 and 3,283.08

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Solution

The fourth proportional to 8,480.04, 12,710.30 and 3,283.08 is: 4,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.04 : 12,710.30 = 3,283.08 : x
  2. Step 2: Convert to fraction form
    8,480.04/12,710.30 = 3,283.08/x
  3. Step 3: Cross multiply
    8,480.04x = 12,710.30 × 3,283.08
  4. Step 4: Simplify right side
    8,480.04x = 41,728,931.72
  5. Step 5: Solve for x
    x = 41,728,931.72/8,480.04
  6. Step 6: Final answer
    x = 4,920.84

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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.