Home / 7,999.28-11,038.92-4,856.48

Finding the Fourth Proportional to 7,999.28, 11,038.92 and 4,856.48

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Solution

The fourth proportional to 7,999.28, 11,038.92 and 4,856.48 is: 6,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.28 : 11,038.92 = 4,856.48 : x
  2. Step 2: Convert to fraction form
    7,999.28/11,038.92 = 4,856.48/x
  3. Step 3: Cross multiply
    7,999.28x = 11,038.92 × 4,856.48
  4. Step 4: Simplify right side
    7,999.28x = 53,610,294.20
  5. Step 5: Solve for x
    x = 53,610,294.20/7,999.28
  6. Step 6: Final answer
    x = 6,701.89

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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.