Home / 7,200.36-10,783.74-5,543.76

Finding the Fourth Proportional to 7,200.36, 10,783.74 and 5,543.76

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Solution

The fourth proportional to 7,200.36, 10,783.74 and 5,543.76 is: 8,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.36 : 10,783.74 = 5,543.76 : x
  2. Step 2: Convert to fraction form
    7,200.36/10,783.74 = 5,543.76/x
  3. Step 3: Cross multiply
    7,200.36x = 10,783.74 × 5,543.76
  4. Step 4: Simplify right side
    7,200.36x = 59,782,466.46
  5. Step 5: Solve for x
    x = 59,782,466.46/7,200.36
  6. Step 6: Final answer
    x = 8,302.71

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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.