Home / 4,374.18-6,561.50-1,909.17

Finding the Fourth Proportional to 4,374.18, 6,561.50 and 1,909.17

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Solution

The fourth proportional to 4,374.18, 6,561.50 and 1,909.17 is: 2,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.18 : 6,561.50 = 1,909.17 : x
  2. Step 2: Convert to fraction form
    4,374.18/6,561.50 = 1,909.17/x
  3. Step 3: Cross multiply
    4,374.18x = 6,561.50 × 1,909.17
  4. Step 4: Simplify right side
    4,374.18x = 12,527,009.41
  5. Step 5: Solve for x
    x = 12,527,009.41/4,374.18
  6. Step 6: Final answer
    x = 2,863.85

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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.