Home / 7,051.68-10,577.28-1,857.12

Finding the Fourth Proportional to 7,051.68, 10,577.28 and 1,857.12

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Solution

The fourth proportional to 7,051.68, 10,577.28 and 1,857.12 is: 2,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.68 : 10,577.28 = 1,857.12 : x
  2. Step 2: Convert to fraction form
    7,051.68/10,577.28 = 1,857.12/x
  3. Step 3: Cross multiply
    7,051.68x = 10,577.28 × 1,857.12
  4. Step 4: Simplify right side
    7,051.68x = 19,643,278.23
  5. Step 5: Solve for x
    x = 19,643,278.23/7,051.68
  6. Step 6: Final answer
    x = 2,785.62

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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.