Home / 4,289.50-6,445.01-2,730.18

Finding the Fourth Proportional to 4,289.50, 6,445.01 and 2,730.18

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Solution

The fourth proportional to 4,289.50, 6,445.01 and 2,730.18 is: 4,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.50 : 6,445.01 = 2,730.18 : x
  2. Step 2: Convert to fraction form
    4,289.50/6,445.01 = 2,730.18/x
  3. Step 3: Cross multiply
    4,289.50x = 6,445.01 × 2,730.18
  4. Step 4: Simplify right side
    4,289.50x = 17,596,037.40
  5. Step 5: Solve for x
    x = 17,596,037.40/4,289.50
  6. Step 6: Final answer
    x = 4,102.12

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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.