Home / 5,528.90-7,631.58-3,405.08

Finding the Fourth Proportional to 5,528.90, 7,631.58 and 3,405.08

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Solution

The fourth proportional to 5,528.90, 7,631.58 and 3,405.08 is: 4,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.90 : 7,631.58 = 3,405.08 : x
  2. Step 2: Convert to fraction form
    5,528.90/7,631.58 = 3,405.08/x
  3. Step 3: Cross multiply
    5,528.90x = 7,631.58 × 3,405.08
  4. Step 4: Simplify right side
    5,528.90x = 25,986,140.43
  5. Step 5: Solve for x
    x = 25,986,140.43/5,528.90
  6. Step 6: Final answer
    x = 4,700.06

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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.