Home / 5,214.39-7,820.51-1,925.24

Finding the Fourth Proportional to 5,214.39, 7,820.51 and 1,925.24

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Solution

The fourth proportional to 5,214.39, 7,820.51 and 1,925.24 is: 2,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.39 : 7,820.51 = 1,925.24 : x
  2. Step 2: Convert to fraction form
    5,214.39/7,820.51 = 1,925.24/x
  3. Step 3: Cross multiply
    5,214.39x = 7,820.51 × 1,925.24
  4. Step 4: Simplify right side
    5,214.39x = 15,056,309.94
  5. Step 5: Solve for x
    x = 15,056,309.94/5,214.39
  6. Step 6: Final answer
    x = 2,887.45

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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.