Home / 7,484.28-10,328.32-4,297.68

Finding the Fourth Proportional to 7,484.28, 10,328.32 and 4,297.68

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Solution

The fourth proportional to 7,484.28, 10,328.32 and 4,297.68 is: 5,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.28 : 10,328.32 = 4,297.68 : x
  2. Step 2: Convert to fraction form
    7,484.28/10,328.32 = 4,297.68/x
  3. Step 3: Cross multiply
    7,484.28x = 10,328.32 × 4,297.68
  4. Step 4: Simplify right side
    7,484.28x = 44,387,814.30
  5. Step 5: Solve for x
    x = 44,387,814.30/7,484.28
  6. Step 6: Final answer
    x = 5,930.81

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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.