Home / 5,040.88-6,955.65-2,802.78

Finding the Fourth Proportional to 5,040.88, 6,955.65 and 2,802.78

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Solution

The fourth proportional to 5,040.88, 6,955.65 and 2,802.78 is: 3,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.88 : 6,955.65 = 2,802.78 : x
  2. Step 2: Convert to fraction form
    5,040.88/6,955.65 = 2,802.78/x
  3. Step 3: Cross multiply
    5,040.88x = 6,955.65 × 2,802.78
  4. Step 4: Simplify right side
    5,040.88x = 19,495,156.71
  5. Step 5: Solve for x
    x = 19,495,156.71/5,040.88
  6. Step 6: Final answer
    x = 3,867.41

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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.