Home / 7,382.54-10,189.40-4,730.20

Finding the Fourth Proportional to 7,382.54, 10,189.40 and 4,730.20

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Solution

The fourth proportional to 7,382.54, 10,189.40 and 4,730.20 is: 6,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.54 : 10,189.40 = 4,730.20 : x
  2. Step 2: Convert to fraction form
    7,382.54/10,189.40 = 4,730.20/x
  3. Step 3: Cross multiply
    7,382.54x = 10,189.40 × 4,730.20
  4. Step 4: Simplify right side
    7,382.54x = 48,197,850.76
  5. Step 5: Solve for x
    x = 48,197,850.76/7,382.54
  6. Step 6: Final answer
    x = 6,528.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.