Home / 5,548.41-7,656.87-3,030.63

Finding the Fourth Proportional to 5,548.41, 7,656.87 and 3,030.63

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Solution

The fourth proportional to 5,548.41, 7,656.87 and 3,030.63 is: 4,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.41 : 7,656.87 = 3,030.63 : x
  2. Step 2: Convert to fraction form
    5,548.41/7,656.87 = 3,030.63/x
  3. Step 3: Cross multiply
    5,548.41x = 7,656.87 × 3,030.63
  4. Step 4: Simplify right side
    5,548.41x = 23,205,139.93
  5. Step 5: Solve for x
    x = 23,205,139.93/5,548.41
  6. Step 6: Final answer
    x = 4,182.30

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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.