Home / 5,825.12-8,730.38-4,587.64

Finding the Fourth Proportional to 5,825.12, 8,730.38 and 4,587.64

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Solution

The fourth proportional to 5,825.12, 8,730.38 and 4,587.64 is: 6,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.12 : 8,730.38 = 4,587.64 : x
  2. Step 2: Convert to fraction form
    5,825.12/8,730.38 = 4,587.64/x
  3. Step 3: Cross multiply
    5,825.12x = 8,730.38 × 4,587.64
  4. Step 4: Simplify right side
    5,825.12x = 40,051,796.85
  5. Step 5: Solve for x
    x = 40,051,796.85/5,825.12
  6. Step 6: Final answer
    x = 6,875.71

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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.