Home / 8,484.10-12,730.40-3,807.46

Finding the Fourth Proportional to 8,484.10, 12,730.40 and 3,807.46

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Solution

The fourth proportional to 8,484.10, 12,730.40 and 3,807.46 is: 5,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.10 : 12,730.40 = 3,807.46 : x
  2. Step 2: Convert to fraction form
    8,484.10/12,730.40 = 3,807.46/x
  3. Step 3: Cross multiply
    8,484.10x = 12,730.40 × 3,807.46
  4. Step 4: Simplify right side
    8,484.10x = 48,470,406.09
  5. Step 5: Solve for x
    x = 48,470,406.09/8,484.10
  6. Step 6: Final answer
    x = 5,713.09

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1.5x scale

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.