Home / 8,731.24-12,048.19-4,953.21

Finding the Fourth Proportional to 8,731.24, 12,048.19 and 4,953.21

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Solution

The fourth proportional to 8,731.24, 12,048.19 and 4,953.21 is: 6,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.24 : 12,048.19 = 4,953.21 : x
  2. Step 2: Convert to fraction form
    8,731.24/12,048.19 = 4,953.21/x
  3. Step 3: Cross multiply
    8,731.24x = 12,048.19 × 4,953.21
  4. Step 4: Simplify right side
    8,731.24x = 59,677,215.19
  5. Step 5: Solve for x
    x = 59,677,215.19/8,731.24
  6. Step 6: Final answer
    x = 6,834.91

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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.