Home / 8,528.48-12,804.68-4,371.47

Finding the Fourth Proportional to 8,528.48, 12,804.68 and 4,371.47

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Solution

The fourth proportional to 8,528.48, 12,804.68 and 4,371.47 is: 6,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.48 : 12,804.68 = 4,371.47 : x
  2. Step 2: Convert to fraction form
    8,528.48/12,804.68 = 4,371.47/x
  3. Step 3: Cross multiply
    8,528.48x = 12,804.68 × 4,371.47
  4. Step 4: Simplify right side
    8,528.48x = 55,975,274.48
  5. Step 5: Solve for x
    x = 55,975,274.48/8,528.48
  6. Step 6: Final answer
    x = 6,563.34

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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.