Home / 7,271.83-10,035.87-4,288.63

Finding the Fourth Proportional to 7,271.83, 10,035.87 and 4,288.63

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Solution

The fourth proportional to 7,271.83, 10,035.87 and 4,288.63 is: 5,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.83 : 10,035.87 = 4,288.63 : x
  2. Step 2: Convert to fraction form
    7,271.83/10,035.87 = 4,288.63/x
  3. Step 3: Cross multiply
    7,271.83x = 10,035.87 × 4,288.63
  4. Step 4: Simplify right side
    7,271.83x = 43,040,133.16
  5. Step 5: Solve for x
    x = 43,040,133.16/7,271.83
  6. Step 6: Final answer
    x = 5,918.75

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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.