Home / 5,681.68-7,840.16-3,323.36

Finding the Fourth Proportional to 5,681.68, 7,840.16 and 3,323.36

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Solution

The fourth proportional to 5,681.68, 7,840.16 and 3,323.36 is: 4,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.68 : 7,840.16 = 3,323.36 : x
  2. Step 2: Convert to fraction form
    5,681.68/7,840.16 = 3,323.36/x
  3. Step 3: Cross multiply
    5,681.68x = 7,840.16 × 3,323.36
  4. Step 4: Simplify right side
    5,681.68x = 26,055,674.14
  5. Step 5: Solve for x
    x = 26,055,674.14/5,681.68
  6. Step 6: Final answer
    x = 4,585.91

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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.