Home / 7,654.10-11,461.70-6,111.86

Finding the Fourth Proportional to 7,654.10, 11,461.70 and 6,111.86

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Solution

The fourth proportional to 7,654.10, 11,461.70 and 6,111.86 is: 9,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.10 : 11,461.70 = 6,111.86 : x
  2. Step 2: Convert to fraction form
    7,654.10/11,461.70 = 6,111.86/x
  3. Step 3: Cross multiply
    7,654.10x = 11,461.70 × 6,111.86
  4. Step 4: Simplify right side
    7,654.10x = 70,052,263.73
  5. Step 5: Solve for x
    x = 70,052,263.73/7,654.10
  6. Step 6: Final answer
    x = 9,152.26

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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.