Home / 7,528.56-10,389.44-4,171.35

Finding the Fourth Proportional to 7,528.56, 10,389.44 and 4,171.35

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Solution

The fourth proportional to 7,528.56, 10,389.44 and 4,171.35 is: 5,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.56 : 10,389.44 = 4,171.35 : x
  2. Step 2: Convert to fraction form
    7,528.56/10,389.44 = 4,171.35/x
  3. Step 3: Cross multiply
    7,528.56x = 10,389.44 × 4,171.35
  4. Step 4: Simplify right side
    7,528.56x = 43,337,977.51
  5. Step 5: Solve for x
    x = 43,337,977.51/7,528.56
  6. Step 6: Final answer
    x = 5,756.47

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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.