Home / 8,384.45-11,570.45-4,847.58

Finding the Fourth Proportional to 8,384.45, 11,570.45 and 4,847.58

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Solution

The fourth proportional to 8,384.45, 11,570.45 and 4,847.58 is: 6,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.45 : 11,570.45 = 4,847.58 : x
  2. Step 2: Convert to fraction form
    8,384.45/11,570.45 = 4,847.58/x
  3. Step 3: Cross multiply
    8,384.45x = 11,570.45 × 4,847.58
  4. Step 4: Simplify right side
    8,384.45x = 56,088,657.77
  5. Step 5: Solve for x
    x = 56,088,657.77/8,384.45
  6. Step 6: Final answer
    x = 6,689.61

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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.