Home / 8,645.04-12,970.44-3,448.08

Finding the Fourth Proportional to 8,645.04, 12,970.44 and 3,448.08

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Solution

The fourth proportional to 8,645.04, 12,970.44 and 3,448.08 is: 5,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.04 : 12,970.44 = 3,448.08 : x
  2. Step 2: Convert to fraction form
    8,645.04/12,970.44 = 3,448.08/x
  3. Step 3: Cross multiply
    8,645.04x = 12,970.44 × 3,448.08
  4. Step 4: Simplify right side
    8,645.04x = 44,723,114.76
  5. Step 5: Solve for x
    x = 44,723,114.76/8,645.04
  6. Step 6: Final answer
    x = 5,173.27

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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.