Home / 7,424.59-10,246.88-4,280.80

Finding the Fourth Proportional to 7,424.59, 10,246.88 and 4,280.80

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Solution

The fourth proportional to 7,424.59, 10,246.88 and 4,280.80 is: 5,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.59 : 10,246.88 = 4,280.80 : x
  2. Step 2: Convert to fraction form
    7,424.59/10,246.88 = 4,280.80/x
  3. Step 3: Cross multiply
    7,424.59x = 10,246.88 × 4,280.80
  4. Step 4: Simplify right side
    7,424.59x = 43,864,843.90
  5. Step 5: Solve for x
    x = 43,864,843.90/7,424.59
  6. Step 6: Final answer
    x = 5,908.05

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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.