Home / 7,619.92-10,515.57-4,476.16

Finding the Fourth Proportional to 7,619.92, 10,515.57 and 4,476.16

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Solution

The fourth proportional to 7,619.92, 10,515.57 and 4,476.16 is: 6,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.92 : 10,515.57 = 4,476.16 : x
  2. Step 2: Convert to fraction form
    7,619.92/10,515.57 = 4,476.16/x
  3. Step 3: Cross multiply
    7,619.92x = 10,515.57 × 4,476.16
  4. Step 4: Simplify right side
    7,619.92x = 47,069,373.81
  5. Step 5: Solve for x
    x = 47,069,373.81/7,619.92
  6. Step 6: Final answer
    x = 6,177.15

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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.