Home / 7,553.88-10,419.74-4,485.65

Finding the Fourth Proportional to 7,553.88, 10,419.74 and 4,485.65

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Solution

The fourth proportional to 7,553.88, 10,419.74 and 4,485.65 is: 6,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.88 : 10,419.74 = 4,485.65 : x
  2. Step 2: Convert to fraction form
    7,553.88/10,419.74 = 4,485.65/x
  3. Step 3: Cross multiply
    7,553.88x = 10,419.74 × 4,485.65
  4. Step 4: Simplify right side
    7,553.88x = 46,739,284.30
  5. Step 5: Solve for x
    x = 46,739,284.30/7,553.88
  6. Step 6: Final answer
    x = 6,187.45

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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.