Home / 6,812.64-9,399.24-4,456.35

Finding the Fourth Proportional to 6,812.64, 9,399.24 and 4,456.35

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Solution

The fourth proportional to 6,812.64, 9,399.24 and 4,456.35 is: 6,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.64 : 9,399.24 = 4,456.35 : x
  2. Step 2: Convert to fraction form
    6,812.64/9,399.24 = 4,456.35/x
  3. Step 3: Cross multiply
    6,812.64x = 9,399.24 × 4,456.35
  4. Step 4: Simplify right side
    6,812.64x = 41,886,303.17
  5. Step 5: Solve for x
    x = 41,886,303.17/6,812.64
  6. Step 6: Final answer
    x = 6,148.32

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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.