Home / 6,455.20-9,668.88-4,363.72

Finding the Fourth Proportional to 6,455.20, 9,668.88 and 4,363.72

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Solution

The fourth proportional to 6,455.20, 9,668.88 and 4,363.72 is: 6,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.20 : 9,668.88 = 4,363.72 : x
  2. Step 2: Convert to fraction form
    6,455.20/9,668.88 = 4,363.72/x
  3. Step 3: Cross multiply
    6,455.20x = 9,668.88 × 4,363.72
  4. Step 4: Simplify right side
    6,455.20x = 42,192,285.03
  5. Step 5: Solve for x
    x = 42,192,285.03/6,455.20
  6. Step 6: Final answer
    x = 6,536.17

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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.