Home / 4,289.84-6,435.10-1,170.10

Finding the Fourth Proportional to 4,289.84, 6,435.10 and 1,170.10

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Solution

The fourth proportional to 4,289.84, 6,435.10 and 1,170.10 is: 1,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.84 : 6,435.10 = 1,170.10 : x
  2. Step 2: Convert to fraction form
    4,289.84/6,435.10 = 1,170.10/x
  3. Step 3: Cross multiply
    4,289.84x = 6,435.10 × 1,170.10
  4. Step 4: Simplify right side
    4,289.84x = 7,529,677.24
  5. Step 5: Solve for x
    x = 7,529,677.24/4,289.84
  6. Step 6: Final answer
    x = 1,755.24

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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.