Home / 7,864.08-11,798.80-4,938.96

Finding the Fourth Proportional to 7,864.08, 11,798.80 and 4,938.96

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Solution

The fourth proportional to 7,864.08, 11,798.80 and 4,938.96 is: 7,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.08 : 11,798.80 = 4,938.96 : x
  2. Step 2: Convert to fraction form
    7,864.08/11,798.80 = 4,938.96/x
  3. Step 3: Cross multiply
    7,864.08x = 11,798.80 × 4,938.96
  4. Step 4: Simplify right side
    7,864.08x = 58,273,801.25
  5. Step 5: Solve for x
    x = 58,273,801.25/7,864.08
  6. Step 6: Final answer
    x = 7,410.12

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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.