Home / 6,436.04-9,643.98-5,137.16

Finding the Fourth Proportional to 6,436.04, 9,643.98 and 5,137.16

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Solution

The fourth proportional to 6,436.04, 9,643.98 and 5,137.16 is: 7,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.04 : 9,643.98 = 5,137.16 : x
  2. Step 2: Convert to fraction form
    6,436.04/9,643.98 = 5,137.16/x
  3. Step 3: Cross multiply
    6,436.04x = 9,643.98 × 5,137.16
  4. Step 4: Simplify right side
    6,436.04x = 49,542,668.30
  5. Step 5: Solve for x
    x = 49,542,668.30/6,436.04
  6. Step 6: Final answer
    x = 7,697.69

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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.