Home / 4,208.40-6,312.60-3,560.40

Finding the Fourth Proportional to 4,208.40, 6,312.60 and 3,560.40

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Solution

The fourth proportional to 4,208.40, 6,312.60 and 3,560.40 is: 5,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.40 : 6,312.60 = 3,560.40 : x
  2. Step 2: Convert to fraction form
    4,208.40/6,312.60 = 3,560.40/x
  3. Step 3: Cross multiply
    4,208.40x = 6,312.60 × 3,560.40
  4. Step 4: Simplify right side
    4,208.40x = 22,475,381.04
  5. Step 5: Solve for x
    x = 22,475,381.04/4,208.40
  6. Step 6: Final answer
    x = 5,340.60

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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.