Home / 5,325.58-7,989.65-2,403.88

Finding the Fourth Proportional to 5,325.58, 7,989.65 and 2,403.88

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Solution

The fourth proportional to 5,325.58, 7,989.65 and 2,403.88 is: 3,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.58 : 7,989.65 = 2,403.88 : x
  2. Step 2: Convert to fraction form
    5,325.58/7,989.65 = 2,403.88/x
  3. Step 3: Cross multiply
    5,325.58x = 7,989.65 × 2,403.88
  4. Step 4: Simplify right side
    5,325.58x = 19,206,159.84
  5. Step 5: Solve for x
    x = 19,206,159.84/5,325.58
  6. Step 6: Final answer
    x = 3,606.40

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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.