Home / 5,548.47-7,657.07-3,030.81

Finding the Fourth Proportional to 5,548.47, 7,657.07 and 3,030.81

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Solution

The fourth proportional to 5,548.47, 7,657.07 and 3,030.81 is: 4,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.47 : 7,657.07 = 3,030.81 : x
  2. Step 2: Convert to fraction form
    5,548.47/7,657.07 = 3,030.81/x
  3. Step 3: Cross multiply
    5,548.47x = 7,657.07 × 3,030.81
  4. Step 4: Simplify right side
    5,548.47x = 23,207,145.44
  5. Step 5: Solve for x
    x = 23,207,145.44/5,548.47
  6. Step 6: Final answer
    x = 4,182.62

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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.