Home / 4,538.70-6,812.10-3,923.10

Finding the Fourth Proportional to 4,538.70, 6,812.10 and 3,923.10

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Solution

The fourth proportional to 4,538.70, 6,812.10 and 3,923.10 is: 5,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.70 : 6,812.10 = 3,923.10 : x
  2. Step 2: Convert to fraction form
    4,538.70/6,812.10 = 3,923.10/x
  3. Step 3: Cross multiply
    4,538.70x = 6,812.10 × 3,923.10
  4. Step 4: Simplify right side
    4,538.70x = 26,724,549.51
  5. Step 5: Solve for x
    x = 26,724,549.51/4,538.70
  6. Step 6: Final answer
    x = 5,888.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.