Home / 7,701.29-11,541.40-4,186.70

Finding the Fourth Proportional to 7,701.29, 11,541.40 and 4,186.70

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Solution

The fourth proportional to 7,701.29, 11,541.40 and 4,186.70 is: 6,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.29 : 11,541.40 = 4,186.70 : x
  2. Step 2: Convert to fraction form
    7,701.29/11,541.40 = 4,186.70/x
  3. Step 3: Cross multiply
    7,701.29x = 11,541.40 × 4,186.70
  4. Step 4: Simplify right side
    7,701.29x = 48,320,311.21
  5. Step 5: Solve for x
    x = 48,320,311.21/7,701.29
  6. Step 6: Final answer
    x = 6,274.32

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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.