Home / 9,280.74-12,807.26-5,247.50

Finding the Fourth Proportional to 9,280.74, 12,807.26 and 5,247.50

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Solution

The fourth proportional to 9,280.74, 12,807.26 and 5,247.50 is: 7,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.74 : 12,807.26 = 5,247.50 : x
  2. Step 2: Convert to fraction form
    9,280.74/12,807.26 = 5,247.50/x
  3. Step 3: Cross multiply
    9,280.74x = 12,807.26 × 5,247.50
  4. Step 4: Simplify right side
    9,280.74x = 67,206,109.97
  5. Step 5: Solve for x
    x = 67,206,109.97/9,280.74
  6. Step 6: Final answer
    x = 7,241.46

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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.