Home / 5,820.12-8,032.05-3,430.80

Finding the Fourth Proportional to 5,820.12, 8,032.05 and 3,430.80

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Solution

The fourth proportional to 5,820.12, 8,032.05 and 3,430.80 is: 4,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.12 : 8,032.05 = 3,430.80 : x
  2. Step 2: Convert to fraction form
    5,820.12/8,032.05 = 3,430.80/x
  3. Step 3: Cross multiply
    5,820.12x = 8,032.05 × 3,430.80
  4. Step 4: Simplify right side
    5,820.12x = 27,556,357.14
  5. Step 5: Solve for x
    x = 27,556,357.14/5,820.12
  6. Step 6: Final answer
    x = 4,734.67

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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.