Home / 9,787.56-14,681.46-2,862.20

Finding the Fourth Proportional to 9,787.56, 14,681.46 and 2,862.20

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Solution

The fourth proportional to 9,787.56, 14,681.46 and 2,862.20 is: 4,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.56 : 14,681.46 = 2,862.20 : x
  2. Step 2: Convert to fraction form
    9,787.56/14,681.46 = 2,862.20/x
  3. Step 3: Cross multiply
    9,787.56x = 14,681.46 × 2,862.20
  4. Step 4: Simplify right side
    9,787.56x = 42,021,274.81
  5. Step 5: Solve for x
    x = 42,021,274.81/9,787.56
  6. Step 6: Final answer
    x = 4,293.34

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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.