Home / 9,225.13-12,726.63-6,239.89

Finding the Fourth Proportional to 9,225.13, 12,726.63 and 6,239.89

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Solution

The fourth proportional to 9,225.13, 12,726.63 and 6,239.89 is: 8,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.13 : 12,726.63 = 6,239.89 : x
  2. Step 2: Convert to fraction form
    9,225.13/12,726.63 = 6,239.89/x
  3. Step 3: Cross multiply
    9,225.13x = 12,726.63 × 6,239.89
  4. Step 4: Simplify right side
    9,225.13x = 79,412,771.27
  5. Step 5: Solve for x
    x = 79,412,771.27/9,225.13
  6. Step 6: Final answer
    x = 8,608.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.