Home / 7,530.34-10,390.80-4,173.34

Finding the Fourth Proportional to 7,530.34, 10,390.80 and 4,173.34

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Solution

The fourth proportional to 7,530.34, 10,390.80 and 4,173.34 is: 5,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.34 : 10,390.80 = 4,173.34 : x
  2. Step 2: Convert to fraction form
    7,530.34/10,390.80 = 4,173.34/x
  3. Step 3: Cross multiply
    7,530.34x = 10,390.80 × 4,173.34
  4. Step 4: Simplify right side
    7,530.34x = 43,364,341.27
  5. Step 5: Solve for x
    x = 43,364,341.27/7,530.34
  6. Step 6: Final answer
    x = 5,758.62

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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.