Home / 7,127.29-9,835.73-4,294.82

Finding the Fourth Proportional to 7,127.29, 9,835.73 and 4,294.82

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Solution

The fourth proportional to 7,127.29, 9,835.73 and 4,294.82 is: 5,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.29 : 9,835.73 = 4,294.82 : x
  2. Step 2: Convert to fraction form
    7,127.29/9,835.73 = 4,294.82/x
  3. Step 3: Cross multiply
    7,127.29x = 9,835.73 × 4,294.82
  4. Step 4: Simplify right side
    7,127.29x = 42,242,709.14
  5. Step 5: Solve for x
    x = 42,242,709.14/7,127.29
  6. Step 6: Final answer
    x = 5,926.90

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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.