Home / 5,730.72-8,600.40-3,782.24

Finding the Fourth Proportional to 5,730.72, 8,600.40 and 3,782.24

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Solution

The fourth proportional to 5,730.72, 8,600.40 and 3,782.24 is: 5,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.72 : 8,600.40 = 3,782.24 : x
  2. Step 2: Convert to fraction form
    5,730.72/8,600.40 = 3,782.24/x
  3. Step 3: Cross multiply
    5,730.72x = 8,600.40 × 3,782.24
  4. Step 4: Simplify right side
    5,730.72x = 32,528,776.90
  5. Step 5: Solve for x
    x = 32,528,776.90/5,730.72
  6. Step 6: Final answer
    x = 5,676.21

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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.