Home / 8,303.80-12,457.04-3,110.08

Finding the Fourth Proportional to 8,303.80, 12,457.04 and 3,110.08

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Solution

The fourth proportional to 8,303.80, 12,457.04 and 3,110.08 is: 4,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.80 : 12,457.04 = 3,110.08 : x
  2. Step 2: Convert to fraction form
    8,303.80/12,457.04 = 3,110.08/x
  3. Step 3: Cross multiply
    8,303.80x = 12,457.04 × 3,110.08
  4. Step 4: Simplify right side
    8,303.80x = 38,742,390.96
  5. Step 5: Solve for x
    x = 38,742,390.96/8,303.80
  6. Step 6: Final answer
    x = 4,665.62

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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.