Home / 7,529.66-10,390.65-4,343.09

Finding the Fourth Proportional to 7,529.66, 10,390.65 and 4,343.09

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Solution

The fourth proportional to 7,529.66, 10,390.65 and 4,343.09 is: 5,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.66 : 10,390.65 = 4,343.09 : x
  2. Step 2: Convert to fraction form
    7,529.66/10,390.65 = 4,343.09/x
  3. Step 3: Cross multiply
    7,529.66x = 10,390.65 × 4,343.09
  4. Step 4: Simplify right side
    7,529.66x = 45,127,459.87
  5. Step 5: Solve for x
    x = 45,127,459.87/7,529.66
  6. Step 6: Final answer
    x = 5,993.29

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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.