Home / 5,626.30-8,421.75-3,860.99

Finding the Fourth Proportional to 5,626.30, 8,421.75 and 3,860.99

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Solution

The fourth proportional to 5,626.30, 8,421.75 and 3,860.99 is: 5,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.30 : 8,421.75 = 3,860.99 : x
  2. Step 2: Convert to fraction form
    5,626.30/8,421.75 = 3,860.99/x
  3. Step 3: Cross multiply
    5,626.30x = 8,421.75 × 3,860.99
  4. Step 4: Simplify right side
    5,626.30x = 32,516,292.53
  5. Step 5: Solve for x
    x = 32,516,292.53/5,626.30
  6. Step 6: Final answer
    x = 5,779.34

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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.