Home / 6,555.11-9,038.22-5,355.68

Finding the Fourth Proportional to 6,555.11, 9,038.22 and 5,355.68

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Solution

The fourth proportional to 6,555.11, 9,038.22 and 5,355.68 is: 7,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.11 : 9,038.22 = 5,355.68 : x
  2. Step 2: Convert to fraction form
    6,555.11/9,038.22 = 5,355.68/x
  3. Step 3: Cross multiply
    6,555.11x = 9,038.22 × 5,355.68
  4. Step 4: Simplify right side
    6,555.11x = 48,405,755.51
  5. Step 5: Solve for x
    x = 48,405,755.51/6,555.11
  6. Step 6: Final answer
    x = 7,384.43

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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.