Home / 6,528.36-9,737.43-5,543.40

Finding the Fourth Proportional to 6,528.36, 9,737.43 and 5,543.40

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Solution

The fourth proportional to 6,528.36, 9,737.43 and 5,543.40 is: 8,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.36 : 9,737.43 = 5,543.40 : x
  2. Step 2: Convert to fraction form
    6,528.36/9,737.43 = 5,543.40/x
  3. Step 3: Cross multiply
    6,528.36x = 9,737.43 × 5,543.40
  4. Step 4: Simplify right side
    6,528.36x = 53,978,469.46
  5. Step 5: Solve for x
    x = 53,978,469.46/6,528.36
  6. Step 6: Final answer
    x = 8,268.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.