Home / 7,619.05-10,509.91-5,492.19

Finding the Fourth Proportional to 7,619.05, 10,509.91 and 5,492.19

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Solution

The fourth proportional to 7,619.05, 10,509.91 and 5,492.19 is: 7,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.05 : 10,509.91 = 5,492.19 : x
  2. Step 2: Convert to fraction form
    7,619.05/10,509.91 = 5,492.19/x
  3. Step 3: Cross multiply
    7,619.05x = 10,509.91 × 5,492.19
  4. Step 4: Simplify right side
    7,619.05x = 57,722,422.60
  5. Step 5: Solve for x
    x = 57,722,422.60/7,619.05
  6. Step 6: Final answer
    x = 7,576.07

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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.