Home / 5,214.27-7,820.32-1,925.11

Finding the Fourth Proportional to 5,214.27, 7,820.32 and 1,925.11

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Solution

The fourth proportional to 5,214.27, 7,820.32 and 1,925.11 is: 2,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.27 : 7,820.32 = 1,925.11 : x
  2. Step 2: Convert to fraction form
    5,214.27/7,820.32 = 1,925.11/x
  3. Step 3: Cross multiply
    5,214.27x = 7,820.32 × 1,925.11
  4. Step 4: Simplify right side
    5,214.27x = 15,054,976.24
  5. Step 5: Solve for x
    x = 15,054,976.24/5,214.27
  6. Step 6: Final answer
    x = 2,887.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.