Home / 6,528.71-9,009.61-3,544.55

Finding the Fourth Proportional to 6,528.71, 9,009.61 and 3,544.55

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Solution

The fourth proportional to 6,528.71, 9,009.61 and 3,544.55 is: 4,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.71 : 9,009.61 = 3,544.55 : x
  2. Step 2: Convert to fraction form
    6,528.71/9,009.61 = 3,544.55/x
  3. Step 3: Cross multiply
    6,528.71x = 9,009.61 × 3,544.55
  4. Step 4: Simplify right side
    6,528.71x = 31,934,968.08
  5. Step 5: Solve for x
    x = 31,934,968.08/6,528.71
  6. Step 6: Final answer
    x = 4,891.47

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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.