Home / 7,408.99-11,111.16-2,477.47

Finding the Fourth Proportional to 7,408.99, 11,111.16 and 2,477.47

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Solution

The fourth proportional to 7,408.99, 11,111.16 and 2,477.47 is: 3,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.99 : 11,111.16 = 2,477.47 : x
  2. Step 2: Convert to fraction form
    7,408.99/11,111.16 = 2,477.47/x
  3. Step 3: Cross multiply
    7,408.99x = 11,111.16 × 2,477.47
  4. Step 4: Simplify right side
    7,408.99x = 27,527,565.57
  5. Step 5: Solve for x
    x = 27,527,565.57/7,408.99
  6. Step 6: Final answer
    x = 3,715.43

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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.