Home / 5,476.51-8,215.97-1,779.11

Finding the Fourth Proportional to 5,476.51, 8,215.97 and 1,779.11

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Solution

The fourth proportional to 5,476.51, 8,215.97 and 1,779.11 is: 2,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.51 : 8,215.97 = 1,779.11 : x
  2. Step 2: Convert to fraction form
    5,476.51/8,215.97 = 1,779.11/x
  3. Step 3: Cross multiply
    5,476.51x = 8,215.97 × 1,779.11
  4. Step 4: Simplify right side
    5,476.51x = 14,617,114.39
  5. Step 5: Solve for x
    x = 14,617,114.39/5,476.51
  6. Step 6: Final answer
    x = 2,669.06

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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.