Home / 5,390.58-8,079.39-2,925.30

Finding the Fourth Proportional to 5,390.58, 8,079.39 and 2,925.30

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Solution

The fourth proportional to 5,390.58, 8,079.39 and 2,925.30 is: 4,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.58 : 8,079.39 = 2,925.30 : x
  2. Step 2: Convert to fraction form
    5,390.58/8,079.39 = 2,925.30/x
  3. Step 3: Cross multiply
    5,390.58x = 8,079.39 × 2,925.30
  4. Step 4: Simplify right side
    5,390.58x = 23,634,639.57
  5. Step 5: Solve for x
    x = 23,634,639.57/5,390.58
  6. Step 6: Final answer
    x = 4,384.43

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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.