Home / 5,050.45-6,969.63-2,812.51

Finding the Fourth Proportional to 5,050.45, 6,969.63 and 2,812.51

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Solution

The fourth proportional to 5,050.45, 6,969.63 and 2,812.51 is: 3,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.45 : 6,969.63 = 2,812.51 : x
  2. Step 2: Convert to fraction form
    5,050.45/6,969.63 = 2,812.51/x
  3. Step 3: Cross multiply
    5,050.45x = 6,969.63 × 2,812.51
  4. Step 4: Simplify right side
    5,050.45x = 19,602,154.07
  5. Step 5: Solve for x
    x = 19,602,154.07/5,050.45
  6. Step 6: Final answer
    x = 3,881.27

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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.