Home / 5,113.89-7,055.17-2,875.26

Finding the Fourth Proportional to 5,113.89, 7,055.17 and 2,875.26

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Solution

The fourth proportional to 5,113.89, 7,055.17 and 2,875.26 is: 3,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.89 : 7,055.17 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    5,113.89/7,055.17 = 2,875.26/x
  3. Step 3: Cross multiply
    5,113.89x = 7,055.17 × 2,875.26
  4. Step 4: Simplify right side
    5,113.89x = 20,285,448.09
  5. Step 5: Solve for x
    x = 20,285,448.09/5,113.89
  6. Step 6: Final answer
    x = 3,966.74

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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.