Home / 5,439.84-7,507.16-3,081.93

Finding the Fourth Proportional to 5,439.84, 7,507.16 and 3,081.93

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Solution

The fourth proportional to 5,439.84, 7,507.16 and 3,081.93 is: 4,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.84 : 7,507.16 = 3,081.93 : x
  2. Step 2: Convert to fraction form
    5,439.84/7,507.16 = 3,081.93/x
  3. Step 3: Cross multiply
    5,439.84x = 7,507.16 × 3,081.93
  4. Step 4: Simplify right side
    5,439.84x = 23,136,526.21
  5. Step 5: Solve for x
    x = 23,136,526.21/5,439.84
  6. Step 6: Final answer
    x = 4,253.16

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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.