Home / 4,376.36-6,560.84-1,909.31

Finding the Fourth Proportional to 4,376.36, 6,560.84 and 1,909.31

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Solution

The fourth proportional to 4,376.36, 6,560.84 and 1,909.31 is: 2,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.36 : 6,560.84 = 1,909.31 : x
  2. Step 2: Convert to fraction form
    4,376.36/6,560.84 = 1,909.31/x
  3. Step 3: Cross multiply
    4,376.36x = 6,560.84 × 1,909.31
  4. Step 4: Simplify right side
    4,376.36x = 12,526,649.39
  5. Step 5: Solve for x
    x = 12,526,649.39/4,376.36
  6. Step 6: Final answer
    x = 2,862.34

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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.