Home / 4,526.41-6,787.56-1,405.49

Finding the Fourth Proportional to 4,526.41, 6,787.56 and 1,405.49

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Solution

The fourth proportional to 4,526.41, 6,787.56 and 1,405.49 is: 2,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.41 : 6,787.56 = 1,405.49 : x
  2. Step 2: Convert to fraction form
    4,526.41/6,787.56 = 1,405.49/x
  3. Step 3: Cross multiply
    4,526.41x = 6,787.56 × 1,405.49
  4. Step 4: Simplify right side
    4,526.41x = 9,539,841.74
  5. Step 5: Solve for x
    x = 9,539,841.74/4,526.41
  6. Step 6: Final answer
    x = 2,107.60

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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.