Home / 5,116.41-7,043.58-4,881.31

Finding the Fourth Proportional to 5,116.41, 7,043.58 and 4,881.31

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Solution

The fourth proportional to 5,116.41, 7,043.58 and 4,881.31 is: 6,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.41 : 7,043.58 = 4,881.31 : x
  2. Step 2: Convert to fraction form
    5,116.41/7,043.58 = 4,881.31/x
  3. Step 3: Cross multiply
    5,116.41x = 7,043.58 × 4,881.31
  4. Step 4: Simplify right side
    5,116.41x = 34,381,897.49
  5. Step 5: Solve for x
    x = 34,381,897.49/5,116.41
  6. Step 6: Final answer
    x = 6,719.93

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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.