Home / 9,860.54-14,789.32-4,312.91

Finding the Fourth Proportional to 9,860.54, 14,789.32 and 4,312.91

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Solution

The fourth proportional to 9,860.54, 14,789.32 and 4,312.91 is: 6,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.54 : 14,789.32 = 4,312.91 : x
  2. Step 2: Convert to fraction form
    9,860.54/14,789.32 = 4,312.91/x
  3. Step 3: Cross multiply
    9,860.54x = 14,789.32 × 4,312.91
  4. Step 4: Simplify right side
    9,860.54x = 63,785,032.31
  5. Step 5: Solve for x
    x = 63,785,032.31/9,860.54
  6. Step 6: Final answer
    x = 6,468.72

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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.