Home / 6,145.10-9,217.65-5,440.40

Finding the Fourth Proportional to 6,145.10, 9,217.65 and 5,440.40

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Solution

The fourth proportional to 6,145.10, 9,217.65 and 5,440.40 is: 8,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.10 : 9,217.65 = 5,440.40 : x
  2. Step 2: Convert to fraction form
    6,145.10/9,217.65 = 5,440.40/x
  3. Step 3: Cross multiply
    6,145.10x = 9,217.65 × 5,440.40
  4. Step 4: Simplify right side
    6,145.10x = 50,147,703.06
  5. Step 5: Solve for x
    x = 50,147,703.06/6,145.10
  6. Step 6: Final answer
    x = 8,160.60

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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.