Home / 6,513.12-9,758.72-4,199.76

Finding the Fourth Proportional to 6,513.12, 9,758.72 and 4,199.76

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Solution

The fourth proportional to 6,513.12, 9,758.72 and 4,199.76 is: 6,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.12 : 9,758.72 = 4,199.76 : x
  2. Step 2: Convert to fraction form
    6,513.12/9,758.72 = 4,199.76/x
  3. Step 3: Cross multiply
    6,513.12x = 9,758.72 × 4,199.76
  4. Step 4: Simplify right side
    6,513.12x = 40,984,281.91
  5. Step 5: Solve for x
    x = 40,984,281.91/6,513.12
  6. Step 6: Final answer
    x = 6,292.57

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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.