Home / 5,653.72-8,485.78-2,882.40

Finding the Fourth Proportional to 5,653.72, 8,485.78 and 2,882.40

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Solution

The fourth proportional to 5,653.72, 8,485.78 and 2,882.40 is: 4,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.72 : 8,485.78 = 2,882.40 : x
  2. Step 2: Convert to fraction form
    5,653.72/8,485.78 = 2,882.40/x
  3. Step 3: Cross multiply
    5,653.72x = 8,485.78 × 2,882.40
  4. Step 4: Simplify right side
    5,653.72x = 24,459,412.27
  5. Step 5: Solve for x
    x = 24,459,412.27/5,653.72
  6. Step 6: Final answer
    x = 4,326.25

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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.