Home / 8,315.16-12,474.86-2,471.77

Finding the Fourth Proportional to 8,315.16, 12,474.86 and 2,471.77

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Solution

The fourth proportional to 8,315.16, 12,474.86 and 2,471.77 is: 3,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.16 : 12,474.86 = 2,471.77 : x
  2. Step 2: Convert to fraction form
    8,315.16/12,474.86 = 2,471.77/x
  3. Step 3: Cross multiply
    8,315.16x = 12,474.86 × 2,471.77
  4. Step 4: Simplify right side
    8,315.16x = 30,834,931.67
  5. Step 5: Solve for x
    x = 30,834,931.67/8,315.16
  6. Step 6: Final answer
    x = 3,708.28

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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.