Home / 5,187.40-7,777.14-2,592.16

Finding the Fourth Proportional to 5,187.40, 7,777.14 and 2,592.16

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Solution

The fourth proportional to 5,187.40, 7,777.14 and 2,592.16 is: 3,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.40 : 7,777.14 = 2,592.16 : x
  2. Step 2: Convert to fraction form
    5,187.40/7,777.14 = 2,592.16/x
  3. Step 3: Cross multiply
    5,187.40x = 7,777.14 × 2,592.16
  4. Step 4: Simplify right side
    5,187.40x = 20,159,591.22
  5. Step 5: Solve for x
    x = 20,159,591.22/5,187.40
  6. Step 6: Final answer
    x = 3,886.26

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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.