Home / 8,457.03-11,666.01-4,919.85

Finding the Fourth Proportional to 8,457.03, 11,666.01 and 4,919.85

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Solution

The fourth proportional to 8,457.03, 11,666.01 and 4,919.85 is: 6,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.03 : 11,666.01 = 4,919.85 : x
  2. Step 2: Convert to fraction form
    8,457.03/11,666.01 = 4,919.85/x
  3. Step 3: Cross multiply
    8,457.03x = 11,666.01 × 4,919.85
  4. Step 4: Simplify right side
    8,457.03x = 57,395,019.30
  5. Step 5: Solve for x
    x = 57,395,019.30/8,457.03
  6. Step 6: Final answer
    x = 6,786.66

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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.