Home / 6,824.80-10,237.20-4,362.40

Finding the Fourth Proportional to 6,824.80, 10,237.20 and 4,362.40

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Solution

The fourth proportional to 6,824.80, 10,237.20 and 4,362.40 is: 6,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.80 : 10,237.20 = 4,362.40 : x
  2. Step 2: Convert to fraction form
    6,824.80/10,237.20 = 4,362.40/x
  3. Step 3: Cross multiply
    6,824.80x = 10,237.20 × 4,362.40
  4. Step 4: Simplify right side
    6,824.80x = 44,658,761.28
  5. Step 5: Solve for x
    x = 44,658,761.28/6,824.80
  6. Step 6: Final answer
    x = 6,543.60

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1.5x scale

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.