Home / 7,290.77-10,063.73-5,055.61

Finding the Fourth Proportional to 7,290.77, 10,063.73 and 5,055.61

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Solution

The fourth proportional to 7,290.77, 10,063.73 and 5,055.61 is: 6,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.77 : 10,063.73 = 5,055.61 : x
  2. Step 2: Convert to fraction form
    7,290.77/10,063.73 = 5,055.61/x
  3. Step 3: Cross multiply
    7,290.77x = 10,063.73 × 5,055.61
  4. Step 4: Simplify right side
    7,290.77x = 50,878,268.75
  5. Step 5: Solve for x
    x = 50,878,268.75/7,290.77
  6. Step 6: Final answer
    x = 6,978.45

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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.