Home / 5,087.28-7,019.83-2,848.98

Finding the Fourth Proportional to 5,087.28, 7,019.83 and 2,848.98

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Solution

The fourth proportional to 5,087.28, 7,019.83 and 2,848.98 is: 3,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.28 : 7,019.83 = 2,848.98 : x
  2. Step 2: Convert to fraction form
    5,087.28/7,019.83 = 2,848.98/x
  3. Step 3: Cross multiply
    5,087.28x = 7,019.83 × 2,848.98
  4. Step 4: Simplify right side
    5,087.28x = 19,999,305.93
  5. Step 5: Solve for x
    x = 19,999,305.93/5,087.28
  6. Step 6: Final answer
    x = 3,931.24

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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.