Home / 5,040.55-6,955.45-2,802.20

Finding the Fourth Proportional to 5,040.55, 6,955.45 and 2,802.20

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Solution

The fourth proportional to 5,040.55, 6,955.45 and 2,802.20 is: 3,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.55 : 6,955.45 = 2,802.20 : x
  2. Step 2: Convert to fraction form
    5,040.55/6,955.45 = 2,802.20/x
  3. Step 3: Cross multiply
    5,040.55x = 6,955.45 × 2,802.20
  4. Step 4: Simplify right side
    5,040.55x = 19,490,535.97
  5. Step 5: Solve for x
    x = 19,490,535.97/5,040.55
  6. Step 6: Final answer
    x = 3,866.75

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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.