Home / 8,153.06-12,215.64-4,457.93

Finding the Fourth Proportional to 8,153.06, 12,215.64 and 4,457.93

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Solution

The fourth proportional to 8,153.06, 12,215.64 and 4,457.93 is: 6,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.06 : 12,215.64 = 4,457.93 : x
  2. Step 2: Convert to fraction form
    8,153.06/12,215.64 = 4,457.93/x
  3. Step 3: Cross multiply
    8,153.06x = 12,215.64 × 4,457.93
  4. Step 4: Simplify right side
    8,153.06x = 54,456,468.03
  5. Step 5: Solve for x
    x = 54,456,468.03/8,153.06
  6. Step 6: Final answer
    x = 6,679.27

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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.