Home / 5,946.81-8,920.16-1,787.17

Finding the Fourth Proportional to 5,946.81, 8,920.16 and 1,787.17

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Solution

The fourth proportional to 5,946.81, 8,920.16 and 1,787.17 is: 2,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.81 : 8,920.16 = 1,787.17 : x
  2. Step 2: Convert to fraction form
    5,946.81/8,920.16 = 1,787.17/x
  3. Step 3: Cross multiply
    5,946.81x = 8,920.16 × 1,787.17
  4. Step 4: Simplify right side
    5,946.81x = 15,941,833.41
  5. Step 5: Solve for x
    x = 15,941,833.41/5,946.81
  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.