Home / 6,645.55-9,969.64-1,901.75

Finding the Fourth Proportional to 6,645.55, 9,969.64 and 1,901.75

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Solution

The fourth proportional to 6,645.55, 9,969.64 and 1,901.75 is: 2,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.55 : 9,969.64 = 1,901.75 : x
  2. Step 2: Convert to fraction form
    6,645.55/9,969.64 = 1,901.75/x
  3. Step 3: Cross multiply
    6,645.55x = 9,969.64 × 1,901.75
  4. Step 4: Simplify right side
    6,645.55x = 18,959,762.87
  5. Step 5: Solve for x
    x = 18,959,762.87/6,645.55
  6. Step 6: Final answer
    x = 2,853.00

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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.