Home / 5,276.07-7,902.95-3,421.68

Finding the Fourth Proportional to 5,276.07, 7,902.95 and 3,421.68

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Solution

The fourth proportional to 5,276.07, 7,902.95 and 3,421.68 is: 5,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.07 : 7,902.95 = 3,421.68 : x
  2. Step 2: Convert to fraction form
    5,276.07/7,902.95 = 3,421.68/x
  3. Step 3: Cross multiply
    5,276.07x = 7,902.95 × 3,421.68
  4. Step 4: Simplify right side
    5,276.07x = 27,041,365.96
  5. Step 5: Solve for x
    x = 27,041,365.96/5,276.07
  6. Step 6: Final answer
    x = 5,125.29

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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.