Home / 5,015.10-6,920.96-2,746.66

Finding the Fourth Proportional to 5,015.10, 6,920.96 and 2,746.66

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Solution

The fourth proportional to 5,015.10, 6,920.96 and 2,746.66 is: 3,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.10 : 6,920.96 = 2,746.66 : x
  2. Step 2: Convert to fraction form
    5,015.10/6,920.96 = 2,746.66/x
  3. Step 3: Cross multiply
    5,015.10x = 6,920.96 × 2,746.66
  4. Step 4: Simplify right side
    5,015.10x = 19,009,509.80
  5. Step 5: Solve for x
    x = 19,009,509.80/5,015.10
  6. Step 6: Final answer
    x = 3,790.45

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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.