Home / 7,427.80-11,141.70-2,497.60

Finding the Fourth Proportional to 7,427.80, 11,141.70 and 2,497.60

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Solution

The fourth proportional to 7,427.80, 11,141.70 and 2,497.60 is: 3,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.80 : 11,141.70 = 2,497.60 : x
  2. Step 2: Convert to fraction form
    7,427.80/11,141.70 = 2,497.60/x
  3. Step 3: Cross multiply
    7,427.80x = 11,141.70 × 2,497.60
  4. Step 4: Simplify right side
    7,427.80x = 27,827,509.92
  5. Step 5: Solve for x
    x = 27,827,509.92/7,427.80
  6. Step 6: Final answer
    x = 3,746.40

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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.