Home / 8,600.13-12,898.59-2,977.77

Finding the Fourth Proportional to 8,600.13, 12,898.59 and 2,977.77

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Solution

The fourth proportional to 8,600.13, 12,898.59 and 2,977.77 is: 4,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.13 : 12,898.59 = 2,977.77 : x
  2. Step 2: Convert to fraction form
    8,600.13/12,898.59 = 2,977.77/x
  3. Step 3: Cross multiply
    8,600.13x = 12,898.59 × 2,977.77
  4. Step 4: Simplify right side
    8,600.13x = 38,409,034.34
  5. Step 5: Solve for x
    x = 38,409,034.34/8,600.13
  6. Step 6: Final answer
    x = 4,466.10

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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.