Home / 6,538.88-9,804.20-4,315.34

Finding the Fourth Proportional to 6,538.88, 9,804.20 and 4,315.34

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Solution

The fourth proportional to 6,538.88, 9,804.20 and 4,315.34 is: 6,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.88 : 9,804.20 = 4,315.34 : x
  2. Step 2: Convert to fraction form
    6,538.88/9,804.20 = 4,315.34/x
  3. Step 3: Cross multiply
    6,538.88x = 9,804.20 × 4,315.34
  4. Step 4: Simplify right side
    6,538.88x = 42,308,459.36
  5. Step 5: Solve for x
    x = 42,308,459.36/6,538.88
  6. Step 6: Final answer
    x = 6,470.29

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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.