Home / 8,136.03-11,228.13-4,779.03

Finding the Fourth Proportional to 8,136.03, 11,228.13 and 4,779.03

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Solution

The fourth proportional to 8,136.03, 11,228.13 and 4,779.03 is: 6,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.03 : 11,228.13 = 4,779.03 : x
  2. Step 2: Convert to fraction form
    8,136.03/11,228.13 = 4,779.03/x
  3. Step 3: Cross multiply
    8,136.03x = 11,228.13 × 4,779.03
  4. Step 4: Simplify right side
    8,136.03x = 53,659,570.11
  5. Step 5: Solve for x
    x = 53,659,570.11/8,136.03
  6. Step 6: Final answer
    x = 6,595.30

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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.