Home / 7,199.77-10,785.80-4,418.32

Finding the Fourth Proportional to 7,199.77, 10,785.80 and 4,418.32

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Solution

The fourth proportional to 7,199.77, 10,785.80 and 4,418.32 is: 6,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.77 : 10,785.80 = 4,418.32 : x
  2. Step 2: Convert to fraction form
    7,199.77/10,785.80 = 4,418.32/x
  3. Step 3: Cross multiply
    7,199.77x = 10,785.80 × 4,418.32
  4. Step 4: Simplify right side
    7,199.77x = 47,655,115.86
  5. Step 5: Solve for x
    x = 47,655,115.86/7,199.77
  6. Step 6: Final answer
    x = 6,618.98

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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.