Home / 8,714.49-13,071.77-2,140.67

Finding the Fourth Proportional to 8,714.49, 13,071.77 and 2,140.67

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Solution

The fourth proportional to 8,714.49, 13,071.77 and 2,140.67 is: 3,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.49 : 13,071.77 = 2,140.67 : x
  2. Step 2: Convert to fraction form
    8,714.49/13,071.77 = 2,140.67/x
  3. Step 3: Cross multiply
    8,714.49x = 13,071.77 × 2,140.67
  4. Step 4: Simplify right side
    8,714.49x = 27,982,345.89
  5. Step 5: Solve for x
    x = 27,982,345.89/8,714.49
  6. Step 6: Final answer
    x = 3,211.02

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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.