Home / 7,477.06-11,215.60-7,020.35

Finding the Fourth Proportional to 7,477.06, 11,215.60 and 7,020.35

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Solution

The fourth proportional to 7,477.06, 11,215.60 and 7,020.35 is: 10,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.06 : 11,215.60 = 7,020.35 : x
  2. Step 2: Convert to fraction form
    7,477.06/11,215.60 = 7,020.35/x
  3. Step 3: Cross multiply
    7,477.06x = 11,215.60 × 7,020.35
  4. Step 4: Simplify right side
    7,477.06x = 78,737,483.05
  5. Step 5: Solve for x
    x = 78,737,483.05/7,477.06
  6. Step 6: Final answer
    x = 10,530.54

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Similar ratio
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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.