Home / 7,509.69-11,263.86-4,387.68

Finding the Fourth Proportional to 7,509.69, 11,263.86 and 4,387.68

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Solution

The fourth proportional to 7,509.69, 11,263.86 and 4,387.68 is: 6,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.69 : 11,263.86 = 4,387.68 : x
  2. Step 2: Convert to fraction form
    7,509.69/11,263.86 = 4,387.68/x
  3. Step 3: Cross multiply
    7,509.69x = 11,263.86 × 4,387.68
  4. Step 4: Simplify right side
    7,509.69x = 49,422,213.24
  5. Step 5: Solve for x
    x = 49,422,213.24/7,509.69
  6. Step 6: Final answer
    x = 6,581.13

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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.