Home / 7,212.30-9,953.04-4,025.89

Finding the Fourth Proportional to 7,212.30, 9,953.04 and 4,025.89

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Solution

The fourth proportional to 7,212.30, 9,953.04 and 4,025.89 is: 5,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.30 : 9,953.04 = 4,025.89 : x
  2. Step 2: Convert to fraction form
    7,212.30/9,953.04 = 4,025.89/x
  3. Step 3: Cross multiply
    7,212.30x = 9,953.04 × 4,025.89
  4. Step 4: Simplify right side
    7,212.30x = 40,069,871.74
  5. Step 5: Solve for x
    x = 40,069,871.74/7,212.30
  6. Step 6: Final answer
    x = 5,555.77

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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.