Home / 7,487.17-11,222.85-2,804.12

Finding the Fourth Proportional to 7,487.17, 11,222.85 and 2,804.12

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Solution

The fourth proportional to 7,487.17, 11,222.85 and 2,804.12 is: 4,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.17 : 11,222.85 = 2,804.12 : x
  2. Step 2: Convert to fraction form
    7,487.17/11,222.85 = 2,804.12/x
  3. Step 3: Cross multiply
    7,487.17x = 11,222.85 × 2,804.12
  4. Step 4: Simplify right side
    7,487.17x = 31,470,214.63
  5. Step 5: Solve for x
    x = 31,470,214.63/7,487.17
  6. Step 6: Final answer
    x = 4,203.22

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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.