Home / 7,618.05-10,508.54-5,491.19

Finding the Fourth Proportional to 7,618.05, 10,508.54 and 5,491.19

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Solution

The fourth proportional to 7,618.05, 10,508.54 and 5,491.19 is: 7,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.05 : 10,508.54 = 5,491.19 : x
  2. Step 2: Convert to fraction form
    7,618.05/10,508.54 = 5,491.19/x
  3. Step 3: Cross multiply
    7,618.05x = 10,508.54 × 5,491.19
  4. Step 4: Simplify right side
    7,618.05x = 57,704,388.58
  5. Step 5: Solve for x
    x = 57,704,388.58/7,618.05
  6. Step 6: Final answer
    x = 7,574.69

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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.