Home / 5,421.67-8,132.49-1,526.06

Finding the Fourth Proportional to 5,421.67, 8,132.49 and 1,526.06

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Solution

The fourth proportional to 5,421.67, 8,132.49 and 1,526.06 is: 2,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.67 : 8,132.49 = 1,526.06 : x
  2. Step 2: Convert to fraction form
    5,421.67/8,132.49 = 1,526.06/x
  3. Step 3: Cross multiply
    5,421.67x = 8,132.49 × 1,526.06
  4. Step 4: Simplify right side
    5,421.67x = 12,410,688.02
  5. Step 5: Solve for x
    x = 12,410,688.02/5,421.67
  6. Step 6: Final answer
    x = 2,289.09

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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.