Home / 4,325.79-6,487.31-1,403.40

Finding the Fourth Proportional to 4,325.79, 6,487.31 and 1,403.40

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Solution

The fourth proportional to 4,325.79, 6,487.31 and 1,403.40 is: 2,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.79 : 6,487.31 = 1,403.40 : x
  2. Step 2: Convert to fraction form
    4,325.79/6,487.31 = 1,403.40/x
  3. Step 3: Cross multiply
    4,325.79x = 6,487.31 × 1,403.40
  4. Step 4: Simplify right side
    4,325.79x = 9,104,251.40
  5. Step 5: Solve for x
    x = 9,104,251.40/4,325.79
  6. Step 6: Final answer
    x = 2,104.65

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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.