Home / 7,354.68-10,149.48-4,210.89

Finding the Fourth Proportional to 7,354.68, 10,149.48 and 4,210.89

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Solution

The fourth proportional to 7,354.68, 10,149.48 and 4,210.89 is: 5,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.68 : 10,149.48 = 4,210.89 : x
  2. Step 2: Convert to fraction form
    7,354.68/10,149.48 = 4,210.89/x
  3. Step 3: Cross multiply
    7,354.68x = 10,149.48 × 4,210.89
  4. Step 4: Simplify right side
    7,354.68x = 42,738,343.84
  5. Step 5: Solve for x
    x = 42,738,343.84/7,354.68
  6. Step 6: Final answer
    x = 5,811.04

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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.