Home / 7,240.36-10,860.35-2,310.30

Finding the Fourth Proportional to 7,240.36, 10,860.35 and 2,310.30

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Solution

The fourth proportional to 7,240.36, 10,860.35 and 2,310.30 is: 3,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.36 : 10,860.35 = 2,310.30 : x
  2. Step 2: Convert to fraction form
    7,240.36/10,860.35 = 2,310.30/x
  3. Step 3: Cross multiply
    7,240.36x = 10,860.35 × 2,310.30
  4. Step 4: Simplify right side
    7,240.36x = 25,090,666.61
  5. Step 5: Solve for x
    x = 25,090,666.61/7,240.36
  6. Step 6: Final answer
    x = 3,465.39

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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.