Home / 5,050.60-6,969.90-2,812.62

Finding the Fourth Proportional to 5,050.60, 6,969.90 and 2,812.62

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Solution

The fourth proportional to 5,050.60, 6,969.90 and 2,812.62 is: 3,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.60 : 6,969.90 = 2,812.62 : x
  2. Step 2: Convert to fraction form
    5,050.60/6,969.90 = 2,812.62/x
  3. Step 3: Cross multiply
    5,050.60x = 6,969.90 × 2,812.62
  4. Step 4: Simplify right side
    5,050.60x = 19,603,701.00
  5. Step 5: Solve for x
    x = 19,603,701.00/5,050.60
  6. Step 6: Final answer
    x = 3,881.46

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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.