Home / 7,280.24-10,043.88-4,480.88

Finding the Fourth Proportional to 7,280.24, 10,043.88 and 4,480.88

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Solution

The fourth proportional to 7,280.24, 10,043.88 and 4,480.88 is: 6,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.24 : 10,043.88 = 4,480.88 : x
  2. Step 2: Convert to fraction form
    7,280.24/10,043.88 = 4,480.88/x
  3. Step 3: Cross multiply
    7,280.24x = 10,043.88 × 4,480.88
  4. Step 4: Simplify right side
    7,280.24x = 45,005,421.01
  5. Step 5: Solve for x
    x = 45,005,421.01/7,280.24
  6. Step 6: Final answer
    x = 6,181.86

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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.