Home / 5,291.35-7,298.58-3,399.95

Finding the Fourth Proportional to 5,291.35, 7,298.58 and 3,399.95

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Solution

The fourth proportional to 5,291.35, 7,298.58 and 3,399.95 is: 4,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.35 : 7,298.58 = 3,399.95 : x
  2. Step 2: Convert to fraction form
    5,291.35/7,298.58 = 3,399.95/x
  3. Step 3: Cross multiply
    5,291.35x = 7,298.58 × 3,399.95
  4. Step 4: Simplify right side
    5,291.35x = 24,814,807.07
  5. Step 5: Solve for x
    x = 24,814,807.07/5,291.35
  6. Step 6: Final answer
    x = 4,689.69

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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.