Home / 5,050.47-6,969.77-2,812.50

Finding the Fourth Proportional to 5,050.47, 6,969.77 and 2,812.50

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Solution

The fourth proportional to 5,050.47, 6,969.77 and 2,812.50 is: 3,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.47 : 6,969.77 = 2,812.50 : x
  2. Step 2: Convert to fraction form
    5,050.47/6,969.77 = 2,812.50/x
  3. Step 3: Cross multiply
    5,050.47x = 6,969.77 × 2,812.50
  4. Step 4: Simplify right side
    5,050.47x = 19,602,478.13
  5. Step 5: Solve for x
    x = 19,602,478.13/5,050.47
  6. Step 6: Final answer
    x = 3,881.32

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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.