Home / 7,619.57-10,516.20-4,636.34

Finding the Fourth Proportional to 7,619.57, 10,516.20 and 4,636.34

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Solution

The fourth proportional to 7,619.57, 10,516.20 and 4,636.34 is: 6,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.57 : 10,516.20 = 4,636.34 : x
  2. Step 2: Convert to fraction form
    7,619.57/10,516.20 = 4,636.34/x
  3. Step 3: Cross multiply
    7,619.57x = 10,516.20 × 4,636.34
  4. Step 4: Simplify right side
    7,619.57x = 48,756,678.71
  5. Step 5: Solve for x
    x = 48,756,678.71/7,619.57
  6. Step 6: Final answer
    x = 6,398.88

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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.