Home / 7,455.80-10,272.78-5,566.64

Finding the Fourth Proportional to 7,455.80, 10,272.78 and 5,566.64

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Solution

The fourth proportional to 7,455.80, 10,272.78 and 5,566.64 is: 7,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.80 : 10,272.78 = 5,566.64 : x
  2. Step 2: Convert to fraction form
    7,455.80/10,272.78 = 5,566.64/x
  3. Step 3: Cross multiply
    7,455.80x = 10,272.78 × 5,566.64
  4. Step 4: Simplify right side
    7,455.80x = 57,184,868.06
  5. Step 5: Solve for x
    x = 57,184,868.06/7,455.80
  6. Step 6: Final answer
    x = 7,669.85

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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.