Home / 4,327.79-6,490.41-1,207.05

Finding the Fourth Proportional to 4,327.79, 6,490.41 and 1,207.05

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Solution

The fourth proportional to 4,327.79, 6,490.41 and 1,207.05 is: 1,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.79 : 6,490.41 = 1,207.05 : x
  2. Step 2: Convert to fraction form
    4,327.79/6,490.41 = 1,207.05/x
  3. Step 3: Cross multiply
    4,327.79x = 6,490.41 × 1,207.05
  4. Step 4: Simplify right side
    4,327.79x = 7,834,231.14
  5. Step 5: Solve for x
    x = 7,834,231.14/4,327.79
  6. Step 6: Final answer
    x = 1,810.21

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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.