Home / 7,272.33-10,036.14-4,128.81

Finding the Fourth Proportional to 7,272.33, 10,036.14 and 4,128.81

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Solution

The fourth proportional to 7,272.33, 10,036.14 and 4,128.81 is: 5,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.33 : 10,036.14 = 4,128.81 : x
  2. Step 2: Convert to fraction form
    7,272.33/10,036.14 = 4,128.81/x
  3. Step 3: Cross multiply
    7,272.33x = 10,036.14 × 4,128.81
  4. Step 4: Simplify right side
    7,272.33x = 41,437,315.19
  5. Step 5: Solve for x
    x = 41,437,315.19/7,272.33
  6. Step 6: Final answer
    x = 5,697.94

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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.