Home / 8,140.29-11,235.06-4,783.23

Finding the Fourth Proportional to 8,140.29, 11,235.06 and 4,783.23

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Solution

The fourth proportional to 8,140.29, 11,235.06 and 4,783.23 is: 6,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.29 : 11,235.06 = 4,783.23 : x
  2. Step 2: Convert to fraction form
    8,140.29/11,235.06 = 4,783.23/x
  3. Step 3: Cross multiply
    8,140.29x = 11,235.06 × 4,783.23
  4. Step 4: Simplify right side
    8,140.29x = 53,739,876.04
  5. Step 5: Solve for x
    x = 53,739,876.04/8,140.29
  6. Step 6: Final answer
    x = 6,601.72

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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.