Home / 7,089.16-10,634.14-1,824.20

Finding the Fourth Proportional to 7,089.16, 10,634.14 and 1,824.20

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Solution

The fourth proportional to 7,089.16, 10,634.14 and 1,824.20 is: 2,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.16 : 10,634.14 = 1,824.20 : x
  2. Step 2: Convert to fraction form
    7,089.16/10,634.14 = 1,824.20/x
  3. Step 3: Cross multiply
    7,089.16x = 10,634.14 × 1,824.20
  4. Step 4: Simplify right side
    7,089.16x = 19,398,798.19
  5. Step 5: Solve for x
    x = 19,398,798.19/7,089.16
  6. Step 6: Final answer
    x = 2,736.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.