Home / 6,690.08-9,232.31-3,665.22

Finding the Fourth Proportional to 6,690.08, 9,232.31 and 3,665.22

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Solution

The fourth proportional to 6,690.08, 9,232.31 and 3,665.22 is: 5,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.08 : 9,232.31 = 3,665.22 : x
  2. Step 2: Convert to fraction form
    6,690.08/9,232.31 = 3,665.22/x
  3. Step 3: Cross multiply
    6,690.08x = 9,232.31 × 3,665.22
  4. Step 4: Simplify right side
    6,690.08x = 33,838,411.98
  5. Step 5: Solve for x
    x = 33,838,411.98/6,690.08
  6. Step 6: Final answer
    x = 5,058.00

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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.