Home / 5,289.21-7,308.18-4,625.01

Finding the Fourth Proportional to 5,289.21, 7,308.18 and 4,625.01

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Solution

The fourth proportional to 5,289.21, 7,308.18 and 4,625.01 is: 6,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.21 : 7,308.18 = 4,625.01 : x
  2. Step 2: Convert to fraction form
    5,289.21/7,308.18 = 4,625.01/x
  3. Step 3: Cross multiply
    5,289.21x = 7,308.18 × 4,625.01
  4. Step 4: Simplify right side
    5,289.21x = 33,800,405.58
  5. Step 5: Solve for x
    x = 33,800,405.58/5,289.21
  6. Step 6: Final answer
    x = 6,390.44

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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.