Home / 5,681.36-7,840.26-3,323.02

Finding the Fourth Proportional to 5,681.36, 7,840.26 and 3,323.02

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Solution

The fourth proportional to 5,681.36, 7,840.26 and 3,323.02 is: 4,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.36 : 7,840.26 = 3,323.02 : x
  2. Step 2: Convert to fraction form
    5,681.36/7,840.26 = 3,323.02/x
  3. Step 3: Cross multiply
    5,681.36x = 7,840.26 × 3,323.02
  4. Step 4: Simplify right side
    5,681.36x = 26,053,340.79
  5. Step 5: Solve for x
    x = 26,053,340.79/5,681.36
  6. Step 6: Final answer
    x = 4,585.76

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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.