Home / 8,977.24-12,385.79-4,997.67

Finding the Fourth Proportional to 8,977.24, 12,385.79 and 4,997.67

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Solution

The fourth proportional to 8,977.24, 12,385.79 and 4,997.67 is: 6,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.24 : 12,385.79 = 4,997.67 : x
  2. Step 2: Convert to fraction form
    8,977.24/12,385.79 = 4,997.67/x
  3. Step 3: Cross multiply
    8,977.24x = 12,385.79 × 4,997.67
  4. Step 4: Simplify right side
    8,977.24x = 61,900,004.19
  5. Step 5: Solve for x
    x = 61,900,004.19/8,977.24
  6. Step 6: Final answer
    x = 6,895.22

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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.