Home / 5,106.80-7,047.45-3,010.92

Finding the Fourth Proportional to 5,106.80, 7,047.45 and 3,010.92

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Solution

The fourth proportional to 5,106.80, 7,047.45 and 3,010.92 is: 4,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.80 : 7,047.45 = 3,010.92 : x
  2. Step 2: Convert to fraction form
    5,106.80/7,047.45 = 3,010.92/x
  3. Step 3: Cross multiply
    5,106.80x = 7,047.45 × 3,010.92
  4. Step 4: Simplify right side
    5,106.80x = 21,219,308.15
  5. Step 5: Solve for x
    x = 21,219,308.15/5,106.80
  6. Step 6: Final answer
    x = 4,155.11

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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.