Home / 4,648.80-6,415.55-2,659.98

Finding the Fourth Proportional to 4,648.80, 6,415.55 and 2,659.98

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Solution

The fourth proportional to 4,648.80, 6,415.55 and 2,659.98 is: 3,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.80 : 6,415.55 = 2,659.98 : x
  2. Step 2: Convert to fraction form
    4,648.80/6,415.55 = 2,659.98/x
  3. Step 3: Cross multiply
    4,648.80x = 6,415.55 × 2,659.98
  4. Step 4: Simplify right side
    4,648.80x = 17,065,234.69
  5. Step 5: Solve for x
    x = 17,065,234.69/4,648.80
  6. Step 6: Final answer
    x = 3,670.89

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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.