Home / 8,840.48-12,186.81-5,653.40

Finding the Fourth Proportional to 8,840.48, 12,186.81 and 5,653.40

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Solution

The fourth proportional to 8,840.48, 12,186.81 and 5,653.40 is: 7,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.48 : 12,186.81 = 5,653.40 : x
  2. Step 2: Convert to fraction form
    8,840.48/12,186.81 = 5,653.40/x
  3. Step 3: Cross multiply
    8,840.48x = 12,186.81 × 5,653.40
  4. Step 4: Simplify right side
    8,840.48x = 68,896,850.72
  5. Step 5: Solve for x
    x = 68,896,850.72/8,840.48
  6. Step 6: Final answer
    x = 7,793.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.