Home / 5,087.17-7,019.80-2,848.87

Finding the Fourth Proportional to 5,087.17, 7,019.80 and 2,848.87

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Solution

The fourth proportional to 5,087.17, 7,019.80 and 2,848.87 is: 3,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.17 : 7,019.80 = 2,848.87 : x
  2. Step 2: Convert to fraction form
    5,087.17/7,019.80 = 2,848.87/x
  3. Step 3: Cross multiply
    5,087.17x = 7,019.80 × 2,848.87
  4. Step 4: Simplify right side
    5,087.17x = 19,998,497.63
  5. Step 5: Solve for x
    x = 19,998,497.63/5,087.17
  6. Step 6: Final answer
    x = 3,931.16

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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.