Home / 7,018.71-10,528.07-2,088.39

Finding the Fourth Proportional to 7,018.71, 10,528.07 and 2,088.39

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Solution

The fourth proportional to 7,018.71, 10,528.07 and 2,088.39 is: 3,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.71 : 10,528.07 = 2,088.39 : x
  2. Step 2: Convert to fraction form
    7,018.71/10,528.07 = 2,088.39/x
  3. Step 3: Cross multiply
    7,018.71x = 10,528.07 × 2,088.39
  4. Step 4: Simplify right side
    7,018.71x = 21,986,716.11
  5. Step 5: Solve for x
    x = 21,986,716.11/7,018.71
  6. Step 6: Final answer
    x = 3,132.59

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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.