Home / 4,236.90-6,355.53-1,315.14

Finding the Fourth Proportional to 4,236.90, 6,355.53 and 1,315.14

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Solution

The fourth proportional to 4,236.90, 6,355.53 and 1,315.14 is: 1,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.90 : 6,355.53 = 1,315.14 : x
  2. Step 2: Convert to fraction form
    4,236.90/6,355.53 = 1,315.14/x
  3. Step 3: Cross multiply
    4,236.90x = 6,355.53 × 1,315.14
  4. Step 4: Simplify right side
    4,236.90x = 8,358,411.72
  5. Step 5: Solve for x
    x = 8,358,411.72/4,236.90
  6. Step 6: Final answer
    x = 1,972.77

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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.