Home / 7,238.84-10,858.86-2,309.18

Finding the Fourth Proportional to 7,238.84, 10,858.86 and 2,309.18

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Solution

The fourth proportional to 7,238.84, 10,858.86 and 2,309.18 is: 3,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.84 : 10,858.86 = 2,309.18 : x
  2. Step 2: Convert to fraction form
    7,238.84/10,858.86 = 2,309.18/x
  3. Step 3: Cross multiply
    7,238.84x = 10,858.86 × 2,309.18
  4. Step 4: Simplify right side
    7,238.84x = 25,075,008.04
  5. Step 5: Solve for x
    x = 25,075,008.04/7,238.84
  6. Step 6: Final answer
    x = 3,463.96

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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.