Home / 5,947.40-8,921.54-1,787.07

Finding the Fourth Proportional to 5,947.40, 8,921.54 and 1,787.07

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Solution

The fourth proportional to 5,947.40, 8,921.54 and 1,787.07 is: 2,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.40 : 8,921.54 = 1,787.07 : x
  2. Step 2: Convert to fraction form
    5,947.40/8,921.54 = 1,787.07/x
  3. Step 3: Cross multiply
    5,947.40x = 8,921.54 × 1,787.07
  4. Step 4: Simplify right side
    5,947.40x = 15,943,407.55
  5. Step 5: Solve for x
    x = 15,943,407.55/5,947.40
  6. Step 6: Final answer
    x = 2,680.74

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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.