Home / 6,825.80-9,415.86-4,030.76

Finding the Fourth Proportional to 6,825.80, 9,415.86 and 4,030.76

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Solution

The fourth proportional to 6,825.80, 9,415.86 and 4,030.76 is: 5,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.80 : 9,415.86 = 4,030.76 : x
  2. Step 2: Convert to fraction form
    6,825.80/9,415.86 = 4,030.76/x
  3. Step 3: Cross multiply
    6,825.80x = 9,415.86 × 4,030.76
  4. Step 4: Simplify right side
    6,825.80x = 37,953,071.85
  5. Step 5: Solve for x
    x = 37,953,071.85/6,825.80
  6. Step 6: Final answer
    x = 5,560.24

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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.