Home / 5,688.75-7,852.64-3,826.83

Finding the Fourth Proportional to 5,688.75, 7,852.64 and 3,826.83

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Solution

The fourth proportional to 5,688.75, 7,852.64 and 3,826.83 is: 5,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.75 : 7,852.64 = 3,826.83 : x
  2. Step 2: Convert to fraction form
    5,688.75/7,852.64 = 3,826.83/x
  3. Step 3: Cross multiply
    5,688.75x = 7,852.64 × 3,826.83
  4. Step 4: Simplify right side
    5,688.75x = 30,050,699.20
  5. Step 5: Solve for x
    x = 30,050,699.20/5,688.75
  6. Step 6: Final answer
    x = 5,282.48

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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.