Home / 9,878.49-14,823.58-3,642.86

Finding the Fourth Proportional to 9,878.49, 14,823.58 and 3,642.86

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Solution

The fourth proportional to 9,878.49, 14,823.58 and 3,642.86 is: 5,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.49 : 14,823.58 = 3,642.86 : x
  2. Step 2: Convert to fraction form
    9,878.49/14,823.58 = 3,642.86/x
  3. Step 3: Cross multiply
    9,878.49x = 14,823.58 × 3,642.86
  4. Step 4: Simplify right side
    9,878.49x = 54,000,226.64
  5. Step 5: Solve for x
    x = 54,000,226.64/9,878.49
  6. Step 6: Final answer
    x = 5,466.45

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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.