Home / 9,718.80-14,585.30-3,877.08

Finding the Fourth Proportional to 9,718.80, 14,585.30 and 3,877.08

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Solution

The fourth proportional to 9,718.80, 14,585.30 and 3,877.08 is: 5,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.80 : 14,585.30 = 3,877.08 : x
  2. Step 2: Convert to fraction form
    9,718.80/14,585.30 = 3,877.08/x
  3. Step 3: Cross multiply
    9,718.80x = 14,585.30 × 3,877.08
  4. Step 4: Simplify right side
    9,718.80x = 56,548,374.92
  5. Step 5: Solve for x
    x = 56,548,374.92/9,718.80
  6. Step 6: Final answer
    x = 5,818.45

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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.