Home / 5,685.80-8,528.00-1,526.12

Finding the Fourth Proportional to 5,685.80, 8,528.00 and 1,526.12

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Solution

The fourth proportional to 5,685.80, 8,528.00 and 1,526.12 is: 2,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.80 : 8,528.00 = 1,526.12 : x
  2. Step 2: Convert to fraction form
    5,685.80/8,528.00 = 1,526.12/x
  3. Step 3: Cross multiply
    5,685.80x = 8,528.00 × 1,526.12
  4. Step 4: Simplify right side
    5,685.80x = 13,014,701.09
  5. Step 5: Solve for x
    x = 13,014,701.09/5,685.80
  6. Step 6: Final answer
    x = 2,288.99

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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.