Home / 6,268.16-9,405.34-2,980.40

Finding the Fourth Proportional to 6,268.16, 9,405.34 and 2,980.40

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Solution

The fourth proportional to 6,268.16, 9,405.34 and 2,980.40 is: 4,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.16 : 9,405.34 = 2,980.40 : x
  2. Step 2: Convert to fraction form
    6,268.16/9,405.34 = 2,980.40/x
  3. Step 3: Cross multiply
    6,268.16x = 9,405.34 × 2,980.40
  4. Step 4: Simplify right side
    6,268.16x = 28,031,675.34
  5. Step 5: Solve for x
    x = 28,031,675.34/6,268.16
  6. Step 6: Final answer
    x = 4,472.07

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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.