Home / 7,200.60-10,783.62-4,885.08

Finding the Fourth Proportional to 7,200.60, 10,783.62 and 4,885.08

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Solution

The fourth proportional to 7,200.60, 10,783.62 and 4,885.08 is: 7,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.60 : 10,783.62 = 4,885.08 : x
  2. Step 2: Convert to fraction form
    7,200.60/10,783.62 = 4,885.08/x
  3. Step 3: Cross multiply
    7,200.60x = 10,783.62 × 4,885.08
  4. Step 4: Simplify right side
    7,200.60x = 52,678,846.39
  5. Step 5: Solve for x
    x = 52,678,846.39/7,200.60
  6. Step 6: Final answer
    x = 7,315.90

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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.