Home / 5,018.08-7,527.84-1,685.32

Finding the Fourth Proportional to 5,018.08, 7,527.84 and 1,685.32

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Solution

The fourth proportional to 5,018.08, 7,527.84 and 1,685.32 is: 2,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.08 : 7,527.84 = 1,685.32 : x
  2. Step 2: Convert to fraction form
    5,018.08/7,527.84 = 1,685.32/x
  3. Step 3: Cross multiply
    5,018.08x = 7,527.84 × 1,685.32
  4. Step 4: Simplify right side
    5,018.08x = 12,686,819.31
  5. Step 5: Solve for x
    x = 12,686,819.31/5,018.08
  6. Step 6: Final answer
    x = 2,528.22

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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.