Home / 5,376.69-7,421.64-3,253.41

Finding the Fourth Proportional to 5,376.69, 7,421.64 and 3,253.41

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Solution

The fourth proportional to 5,376.69, 7,421.64 and 3,253.41 is: 4,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.69 : 7,421.64 = 3,253.41 : x
  2. Step 2: Convert to fraction form
    5,376.69/7,421.64 = 3,253.41/x
  3. Step 3: Cross multiply
    5,376.69x = 7,421.64 × 3,253.41
  4. Step 4: Simplify right side
    5,376.69x = 24,145,637.79
  5. Step 5: Solve for x
    x = 24,145,637.79/5,376.69
  6. Step 6: Final answer
    x = 4,490.80

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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.