Home / 8,626.47-11,904.86-5,270.79

Finding the Fourth Proportional to 8,626.47, 11,904.86 and 5,270.79

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Solution

The fourth proportional to 8,626.47, 11,904.86 and 5,270.79 is: 7,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.47 : 11,904.86 = 5,270.79 : x
  2. Step 2: Convert to fraction form
    8,626.47/11,904.86 = 5,270.79/x
  3. Step 3: Cross multiply
    8,626.47x = 11,904.86 × 5,270.79
  4. Step 4: Simplify right side
    8,626.47x = 62,748,017.04
  5. Step 5: Solve for x
    x = 62,748,017.04/8,626.47
  6. Step 6: Final answer
    x = 7,273.89

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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.