Home / 7,529.10-10,390.02-4,171.84

Finding the Fourth Proportional to 7,529.10, 10,390.02 and 4,171.84

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Solution

The fourth proportional to 7,529.10, 10,390.02 and 4,171.84 is: 5,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.10 : 10,390.02 = 4,171.84 : x
  2. Step 2: Convert to fraction form
    7,529.10/10,390.02 = 4,171.84/x
  3. Step 3: Cross multiply
    7,529.10x = 10,390.02 × 4,171.84
  4. Step 4: Simplify right side
    7,529.10x = 43,345,501.04
  5. Step 5: Solve for x
    x = 43,345,501.04/7,529.10
  6. Step 6: Final answer
    x = 5,757.06

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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.