Home / 7,019.16-10,528.68-2,858.19

Finding the Fourth Proportional to 7,019.16, 10,528.68 and 2,858.19

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Solution

The fourth proportional to 7,019.16, 10,528.68 and 2,858.19 is: 4,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.16 : 10,528.68 = 2,858.19 : x
  2. Step 2: Convert to fraction form
    7,019.16/10,528.68 = 2,858.19/x
  3. Step 3: Cross multiply
    7,019.16x = 10,528.68 × 2,858.19
  4. Step 4: Simplify right side
    7,019.16x = 30,092,939.12
  5. Step 5: Solve for x
    x = 30,092,939.12/7,019.16
  6. Step 6: Final answer
    x = 4,287.26

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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.