Home / 4,689.70-7,035.58-1,569.80

Finding the Fourth Proportional to 4,689.70, 7,035.58 and 1,569.80

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Solution

The fourth proportional to 4,689.70, 7,035.58 and 1,569.80 is: 2,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.70 : 7,035.58 = 1,569.80 : x
  2. Step 2: Convert to fraction form
    4,689.70/7,035.58 = 1,569.80/x
  3. Step 3: Cross multiply
    4,689.70x = 7,035.58 × 1,569.80
  4. Step 4: Simplify right side
    4,689.70x = 11,044,453.48
  5. Step 5: Solve for x
    x = 11,044,453.48/4,689.70
  6. Step 6: Final answer
    x = 2,355.04

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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.