Home / 7,509.20-11,263.80-5,176.40

Finding the Fourth Proportional to 7,509.20, 11,263.80 and 5,176.40

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Solution

The fourth proportional to 7,509.20, 11,263.80 and 5,176.40 is: 7,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.20 : 11,263.80 = 5,176.40 : x
  2. Step 2: Convert to fraction form
    7,509.20/11,263.80 = 5,176.40/x
  3. Step 3: Cross multiply
    7,509.20x = 11,263.80 × 5,176.40
  4. Step 4: Simplify right side
    7,509.20x = 58,305,934.32
  5. Step 5: Solve for x
    x = 58,305,934.32/7,509.20
  6. Step 6: Final answer
    x = 7,764.60

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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.