Home / 6,340.90-9,509.28-2,643.34

Finding the Fourth Proportional to 6,340.90, 9,509.28 and 2,643.34

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Solution

The fourth proportional to 6,340.90, 9,509.28 and 2,643.34 is: 3,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.90 : 9,509.28 = 2,643.34 : x
  2. Step 2: Convert to fraction form
    6,340.90/9,509.28 = 2,643.34/x
  3. Step 3: Cross multiply
    6,340.90x = 9,509.28 × 2,643.34
  4. Step 4: Simplify right side
    6,340.90x = 25,136,260.20
  5. Step 5: Solve for x
    x = 25,136,260.20/6,340.90
  6. Step 6: Final answer
    x = 3,964.15

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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.