Home / 5,284.80-7,276.40-4,486.54

Finding the Fourth Proportional to 5,284.80, 7,276.40 and 4,486.54

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Solution

The fourth proportional to 5,284.80, 7,276.40 and 4,486.54 is: 6,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.80 : 7,276.40 = 4,486.54 : x
  2. Step 2: Convert to fraction form
    5,284.80/7,276.40 = 4,486.54/x
  3. Step 3: Cross multiply
    5,284.80x = 7,276.40 × 4,486.54
  4. Step 4: Simplify right side
    5,284.80x = 32,645,888.38
  5. Step 5: Solve for x
    x = 32,645,888.38/5,284.80
  6. Step 6: Final answer
    x = 6,177.32

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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.