Home / 7,470.80-11,206.16-2,276.72

Finding the Fourth Proportional to 7,470.80, 11,206.16 and 2,276.72

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Solution

The fourth proportional to 7,470.80, 11,206.16 and 2,276.72 is: 3,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.80 : 11,206.16 = 2,276.72 : x
  2. Step 2: Convert to fraction form
    7,470.80/11,206.16 = 2,276.72/x
  3. Step 3: Cross multiply
    7,470.80x = 11,206.16 × 2,276.72
  4. Step 4: Simplify right side
    7,470.80x = 25,513,288.60
  5. Step 5: Solve for x
    x = 25,513,288.60/7,470.80
  6. Step 6: Final answer
    x = 3,415.07

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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.