Home / 7,618.32-10,513.83-4,262.21

Finding the Fourth Proportional to 7,618.32, 10,513.83 and 4,262.21

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Solution

The fourth proportional to 7,618.32, 10,513.83 and 4,262.21 is: 5,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.32 : 10,513.83 = 4,262.21 : x
  2. Step 2: Convert to fraction form
    7,618.32/10,513.83 = 4,262.21/x
  3. Step 3: Cross multiply
    7,618.32x = 10,513.83 × 4,262.21
  4. Step 4: Simplify right side
    7,618.32x = 44,812,140.71
  5. Step 5: Solve for x
    x = 44,812,140.71/7,618.32
  6. Step 6: Final answer
    x = 5,882.16

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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.