Home / 5,040.80-6,955.27-3,245.47

Finding the Fourth Proportional to 5,040.80, 6,955.27 and 3,245.47

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Solution

The fourth proportional to 5,040.80, 6,955.27 and 3,245.47 is: 4,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.80 : 6,955.27 = 3,245.47 : x
  2. Step 2: Convert to fraction form
    5,040.80/6,955.27 = 3,245.47/x
  3. Step 3: Cross multiply
    5,040.80x = 6,955.27 × 3,245.47
  4. Step 4: Simplify right side
    5,040.80x = 22,573,094.63
  5. Step 5: Solve for x
    x = 22,573,094.63/5,040.80
  6. Step 6: Final answer
    x = 4,478.08

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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.