Home / 5,948.79-8,921.63-1,787.69

Finding the Fourth Proportional to 5,948.79, 8,921.63 and 1,787.69

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Solution

The fourth proportional to 5,948.79, 8,921.63 and 1,787.69 is: 2,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,948.79 : 8,921.63 = 1,787.69 : x
  2. Step 2: Convert to fraction form
    5,948.79/8,921.63 = 1,787.69/x
  3. Step 3: Cross multiply
    5,948.79x = 8,921.63 × 1,787.69
  4. Step 4: Simplify right side
    5,948.79x = 15,949,064.13
  5. Step 5: Solve for x
    x = 15,949,064.13/5,948.79
  6. Step 6: Final answer
    x = 2,681.06

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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.