Home / 5,214.60-7,816.43-1,925.60

Finding the Fourth Proportional to 5,214.60, 7,816.43 and 1,925.60

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Solution

The fourth proportional to 5,214.60, 7,816.43 and 1,925.60 is: 2,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.60 : 7,816.43 = 1,925.60 : x
  2. Step 2: Convert to fraction form
    5,214.60/7,816.43 = 1,925.60/x
  3. Step 3: Cross multiply
    5,214.60x = 7,816.43 × 1,925.60
  4. Step 4: Simplify right side
    5,214.60x = 15,051,268.90
  5. Step 5: Solve for x
    x = 15,051,268.90/5,214.60
  6. Step 6: Final answer
    x = 2,886.37

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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.