Home / 6,555.21-9,038.33-5,355.75

Finding the Fourth Proportional to 6,555.21, 9,038.33 and 5,355.75

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Solution

The fourth proportional to 6,555.21, 9,038.33 and 5,355.75 is: 7,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.21 : 9,038.33 = 5,355.75 : x
  2. Step 2: Convert to fraction form
    6,555.21/9,038.33 = 5,355.75/x
  3. Step 3: Cross multiply
    6,555.21x = 9,038.33 × 5,355.75
  4. Step 4: Simplify right side
    6,555.21x = 48,407,009.12
  5. Step 5: Solve for x
    x = 48,407,009.12/6,555.21
  6. Step 6: Final answer
    x = 7,384.51

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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.