Home / 7,117.44-9,822.24-3,973.92

Finding the Fourth Proportional to 7,117.44, 9,822.24 and 3,973.92

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Solution

The fourth proportional to 7,117.44, 9,822.24 and 3,973.92 is: 5,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.44 : 9,822.24 = 3,973.92 : x
  2. Step 2: Convert to fraction form
    7,117.44/9,822.24 = 3,973.92/x
  3. Step 3: Cross multiply
    7,117.44x = 9,822.24 × 3,973.92
  4. Step 4: Simplify right side
    7,117.44x = 39,032,795.98
  5. Step 5: Solve for x
    x = 39,032,795.98/7,117.44
  6. Step 6: Final answer
    x = 5,484.11

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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.