Home / 6,415.19-8,852.79-3,582.49

Finding the Fourth Proportional to 6,415.19, 8,852.79 and 3,582.49

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Solution

The fourth proportional to 6,415.19, 8,852.79 and 3,582.49 is: 4,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.19 : 8,852.79 = 3,582.49 : x
  2. Step 2: Convert to fraction form
    6,415.19/8,852.79 = 3,582.49/x
  3. Step 3: Cross multiply
    6,415.19x = 8,852.79 × 3,582.49
  4. Step 4: Simplify right side
    6,415.19x = 31,715,014.65
  5. Step 5: Solve for x
    x = 31,715,014.65/6,415.19
  6. Step 6: Final answer
    x = 4,943.74

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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.