Home / 5,607.20-8,414.64-2,320.40

Finding the Fourth Proportional to 5,607.20, 8,414.64 and 2,320.40

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Solution

The fourth proportional to 5,607.20, 8,414.64 and 2,320.40 is: 3,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.20 : 8,414.64 = 2,320.40 : x
  2. Step 2: Convert to fraction form
    5,607.20/8,414.64 = 2,320.40/x
  3. Step 3: Cross multiply
    5,607.20x = 8,414.64 × 2,320.40
  4. Step 4: Simplify right side
    5,607.20x = 19,525,330.66
  5. Step 5: Solve for x
    x = 19,525,330.66/5,607.20
  6. Step 6: Final answer
    x = 3,482.19

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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.