Home / 7,528.77-10,389.19-4,171.27

Finding the Fourth Proportional to 7,528.77, 10,389.19 and 4,171.27

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Solution

The fourth proportional to 7,528.77, 10,389.19 and 4,171.27 is: 5,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.77 : 10,389.19 = 4,171.27 : x
  2. Step 2: Convert to fraction form
    7,528.77/10,389.19 = 4,171.27/x
  3. Step 3: Cross multiply
    7,528.77x = 10,389.19 × 4,171.27
  4. Step 4: Simplify right side
    7,528.77x = 43,336,116.57
  5. Step 5: Solve for x
    x = 43,336,116.57/7,528.77
  6. Step 6: Final answer
    x = 5,756.07

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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.