Home / 6,555.30-9,813.64-4,330.05

Finding the Fourth Proportional to 6,555.30, 9,813.64 and 4,330.05

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Solution

The fourth proportional to 6,555.30, 9,813.64 and 4,330.05 is: 6,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.30 : 9,813.64 = 4,330.05 : x
  2. Step 2: Convert to fraction form
    6,555.30/9,813.64 = 4,330.05/x
  3. Step 3: Cross multiply
    6,555.30x = 9,813.64 × 4,330.05
  4. Step 4: Simplify right side
    6,555.30x = 42,493,551.88
  5. Step 5: Solve for x
    x = 42,493,551.88/6,555.30
  6. Step 6: Final answer
    x = 6,482.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.