Home / 6,747.10-10,132.80-6,528.40

Finding the Fourth Proportional to 6,747.10, 10,132.80 and 6,528.40

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Solution

The fourth proportional to 6,747.10, 10,132.80 and 6,528.40 is: 9,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.10 : 10,132.80 = 6,528.40 : x
  2. Step 2: Convert to fraction form
    6,747.10/10,132.80 = 6,528.40/x
  3. Step 3: Cross multiply
    6,747.10x = 10,132.80 × 6,528.40
  4. Step 4: Simplify right side
    6,747.10x = 66,150,971.52
  5. Step 5: Solve for x
    x = 66,150,971.52/6,747.10
  6. Step 6: Final answer
    x = 9,804.36

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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.