Home / 8,145.07-11,239.45-4,559.83

Finding the Fourth Proportional to 8,145.07, 11,239.45 and 4,559.83

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Solution

The fourth proportional to 8,145.07, 11,239.45 and 4,559.83 is: 6,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.07 : 11,239.45 = 4,559.83 : x
  2. Step 2: Convert to fraction form
    8,145.07/11,239.45 = 4,559.83/x
  3. Step 3: Cross multiply
    8,145.07x = 11,239.45 × 4,559.83
  4. Step 4: Simplify right side
    8,145.07x = 51,249,981.29
  5. Step 5: Solve for x
    x = 51,249,981.29/8,145.07
  6. Step 6: Final answer
    x = 6,292.15

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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.