Home / 7,618.65-10,515.69-4,636.58

Finding the Fourth Proportional to 7,618.65, 10,515.69 and 4,636.58

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Solution

The fourth proportional to 7,618.65, 10,515.69 and 4,636.58 is: 6,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.65 : 10,515.69 = 4,636.58 : x
  2. Step 2: Convert to fraction form
    7,618.65/10,515.69 = 4,636.58/x
  3. Step 3: Cross multiply
    7,618.65x = 10,515.69 × 4,636.58
  4. Step 4: Simplify right side
    7,618.65x = 48,756,837.94
  5. Step 5: Solve for x
    x = 48,756,837.94/7,618.65
  6. Step 6: Final answer
    x = 6,399.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.