Home / 5,639.52-8,457.92-2,352.65

Finding the Fourth Proportional to 5,639.52, 8,457.92 and 2,352.65

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Solution

The fourth proportional to 5,639.52, 8,457.92 and 2,352.65 is: 3,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.52 : 8,457.92 = 2,352.65 : x
  2. Step 2: Convert to fraction form
    5,639.52/8,457.92 = 2,352.65/x
  3. Step 3: Cross multiply
    5,639.52x = 8,457.92 × 2,352.65
  4. Step 4: Simplify right side
    5,639.52x = 19,898,480.26
  5. Step 5: Solve for x
    x = 19,898,480.26/5,639.52
  6. Step 6: Final answer
    x = 3,528.40

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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.