Home / 6,513.21-9,769.68-1,582.65

Finding the Fourth Proportional to 6,513.21, 9,769.68 and 1,582.65

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Solution

The fourth proportional to 6,513.21, 9,769.68 and 1,582.65 is: 2,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.21 : 9,769.68 = 1,582.65 : x
  2. Step 2: Convert to fraction form
    6,513.21/9,769.68 = 1,582.65/x
  3. Step 3: Cross multiply
    6,513.21x = 9,769.68 × 1,582.65
  4. Step 4: Simplify right side
    6,513.21x = 15,461,984.05
  5. Step 5: Solve for x
    x = 15,461,984.05/6,513.21
  6. Step 6: Final answer
    x = 2,373.94

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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.