Home / 7,972.93-11,000.98-4,615.54

Finding the Fourth Proportional to 7,972.93, 11,000.98 and 4,615.54

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Solution

The fourth proportional to 7,972.93, 11,000.98 and 4,615.54 is: 6,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.93 : 11,000.98 = 4,615.54 : x
  2. Step 2: Convert to fraction form
    7,972.93/11,000.98 = 4,615.54/x
  3. Step 3: Cross multiply
    7,972.93x = 11,000.98 × 4,615.54
  4. Step 4: Simplify right side
    7,972.93x = 50,775,463.23
  5. Step 5: Solve for x
    x = 50,775,463.23/7,972.93
  6. Step 6: Final answer
    x = 6,368.48

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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.