Home / 9,124.30-13,677.40-3,860.74

Finding the Fourth Proportional to 9,124.30, 13,677.40 and 3,860.74

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Solution

The fourth proportional to 9,124.30, 13,677.40 and 3,860.74 is: 5,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.30 : 13,677.40 = 3,860.74 : x
  2. Step 2: Convert to fraction form
    9,124.30/13,677.40 = 3,860.74/x
  3. Step 3: Cross multiply
    9,124.30x = 13,677.40 × 3,860.74
  4. Step 4: Simplify right side
    9,124.30x = 52,804,885.28
  5. Step 5: Solve for x
    x = 52,804,885.28/9,124.30
  6. Step 6: Final answer
    x = 5,787.28

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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.