Home / 6,456.00-9,678.08-2,509.89

Finding the Fourth Proportional to 6,456.00, 9,678.08 and 2,509.89

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Solution

The fourth proportional to 6,456.00, 9,678.08 and 2,509.89 is: 3,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.00 : 9,678.08 = 2,509.89 : x
  2. Step 2: Convert to fraction form
    6,456.00/9,678.08 = 2,509.89/x
  3. Step 3: Cross multiply
    6,456.00x = 9,678.08 × 2,509.89
  4. Step 4: Simplify right side
    6,456.00x = 24,290,886.19
  5. Step 5: Solve for x
    x = 24,290,886.19/6,456.00
  6. Step 6: Final answer
    x = 3,762.53

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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.