Home / 5,381.51-7,426.79-3,585.87

Finding the Fourth Proportional to 5,381.51, 7,426.79 and 3,585.87

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Solution

The fourth proportional to 5,381.51, 7,426.79 and 3,585.87 is: 4,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.51 : 7,426.79 = 3,585.87 : x
  2. Step 2: Convert to fraction form
    5,381.51/7,426.79 = 3,585.87/x
  3. Step 3: Cross multiply
    5,381.51x = 7,426.79 × 3,585.87
  4. Step 4: Simplify right side
    5,381.51x = 26,631,485.53
  5. Step 5: Solve for x
    x = 26,631,485.53/5,381.51
  6. Step 6: Final answer
    x = 4,948.71

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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.