Home / 8,528.25-11,768.99-5,387.07

Finding the Fourth Proportional to 8,528.25, 11,768.99 and 5,387.07

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Solution

The fourth proportional to 8,528.25, 11,768.99 and 5,387.07 is: 7,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.25 : 11,768.99 = 5,387.07 : x
  2. Step 2: Convert to fraction form
    8,528.25/11,768.99 = 5,387.07/x
  3. Step 3: Cross multiply
    8,528.25x = 11,768.99 × 5,387.07
  4. Step 4: Simplify right side
    8,528.25x = 63,400,346.02
  5. Step 5: Solve for x
    x = 63,400,346.02/8,528.25
  6. Step 6: Final answer
    x = 7,434.16

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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.