Home / 7,509.65-11,263.86-4,387.70

Finding the Fourth Proportional to 7,509.65, 11,263.86 and 4,387.70

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Solution

The fourth proportional to 7,509.65, 11,263.86 and 4,387.70 is: 6,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.65 : 11,263.86 = 4,387.70 : x
  2. Step 2: Convert to fraction form
    7,509.65/11,263.86 = 4,387.70/x
  3. Step 3: Cross multiply
    7,509.65x = 11,263.86 × 4,387.70
  4. Step 4: Simplify right side
    7,509.65x = 49,422,466.68
  5. Step 5: Solve for x
    x = 49,422,466.68/7,509.65
  6. Step 6: Final answer
    x = 6,581.20

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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.