Home / 7,440.99-10,268.41-4,788.39

Finding the Fourth Proportional to 7,440.99, 10,268.41 and 4,788.39

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Solution

The fourth proportional to 7,440.99, 10,268.41 and 4,788.39 is: 6,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.99 : 10,268.41 = 4,788.39 : x
  2. Step 2: Convert to fraction form
    7,440.99/10,268.41 = 4,788.39/x
  3. Step 3: Cross multiply
    7,440.99x = 10,268.41 × 4,788.39
  4. Step 4: Simplify right side
    7,440.99x = 49,169,151.76
  5. Step 5: Solve for x
    x = 49,169,151.76/7,440.99
  6. Step 6: Final answer
    x = 6,607.88

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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.