Home / 7,338.53-10,999.51-3,643.40

Finding the Fourth Proportional to 7,338.53, 10,999.51 and 3,643.40

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Solution

The fourth proportional to 7,338.53, 10,999.51 and 3,643.40 is: 5,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.53 : 10,999.51 = 3,643.40 : x
  2. Step 2: Convert to fraction form
    7,338.53/10,999.51 = 3,643.40/x
  3. Step 3: Cross multiply
    7,338.53x = 10,999.51 × 3,643.40
  4. Step 4: Simplify right side
    7,338.53x = 40,075,614.73
  5. Step 5: Solve for x
    x = 40,075,614.73/7,338.53
  6. Step 6: Final answer
    x = 5,460.99

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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.