Home / 8,211.48-11,333.49-5,373.95

Finding the Fourth Proportional to 8,211.48, 11,333.49 and 5,373.95

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Solution

The fourth proportional to 8,211.48, 11,333.49 and 5,373.95 is: 7,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.48 : 11,333.49 = 5,373.95 : x
  2. Step 2: Convert to fraction form
    8,211.48/11,333.49 = 5,373.95/x
  3. Step 3: Cross multiply
    8,211.48x = 11,333.49 × 5,373.95
  4. Step 4: Simplify right side
    8,211.48x = 60,905,531.77
  5. Step 5: Solve for x
    x = 60,905,531.77/8,211.48
  6. Step 6: Final answer
    x = 7,417.12

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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.