Home / 4,609.35-6,915.20-1,322.64

Finding the Fourth Proportional to 4,609.35, 6,915.20 and 1,322.64

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Solution

The fourth proportional to 4,609.35, 6,915.20 and 1,322.64 is: 1,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.35 : 6,915.20 = 1,322.64 : x
  2. Step 2: Convert to fraction form
    4,609.35/6,915.20 = 1,322.64/x
  3. Step 3: Cross multiply
    4,609.35x = 6,915.20 × 1,322.64
  4. Step 4: Simplify right side
    4,609.35x = 9,146,313.51
  5. Step 5: Solve for x
    x = 9,146,313.51/4,609.35
  6. Step 6: Final answer
    x = 1,984.30

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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.