Home / 7,260.20-10,875.90-4,329.80

Finding the Fourth Proportional to 7,260.20, 10,875.90 and 4,329.80

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Solution

The fourth proportional to 7,260.20, 10,875.90 and 4,329.80 is: 6,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.20 : 10,875.90 = 4,329.80 : x
  2. Step 2: Convert to fraction form
    7,260.20/10,875.90 = 4,329.80/x
  3. Step 3: Cross multiply
    7,260.20x = 10,875.90 × 4,329.80
  4. Step 4: Simplify right side
    7,260.20x = 47,090,471.82
  5. Step 5: Solve for x
    x = 47,090,471.82/7,260.20
  6. Step 6: Final answer
    x = 6,486.11

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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.