Home / 7,557.14-10,428.87-4,200.17

Finding the Fourth Proportional to 7,557.14, 10,428.87 and 4,200.17

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Solution

The fourth proportional to 7,557.14, 10,428.87 and 4,200.17 is: 5,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.14 : 10,428.87 = 4,200.17 : x
  2. Step 2: Convert to fraction form
    7,557.14/10,428.87 = 4,200.17/x
  3. Step 3: Cross multiply
    7,557.14x = 10,428.87 × 4,200.17
  4. Step 4: Simplify right side
    7,557.14x = 43,802,974.76
  5. Step 5: Solve for x
    x = 43,802,974.76/7,557.14
  6. Step 6: Final answer
    x = 5,796.24

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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.