Home / 4,207.16-6,311.36-1,285.08

Finding the Fourth Proportional to 4,207.16, 6,311.36 and 1,285.08

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Solution

The fourth proportional to 4,207.16, 6,311.36 and 1,285.08 is: 1,927.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.16 : 6,311.36 = 1,285.08 : x
  2. Step 2: Convert to fraction form
    4,207.16/6,311.36 = 1,285.08/x
  3. Step 3: Cross multiply
    4,207.16x = 6,311.36 × 1,285.08
  4. Step 4: Simplify right side
    4,207.16x = 8,110,602.51
  5. Step 5: Solve for x
    x = 8,110,602.51/4,207.16
  6. Step 6: Final answer
    x = 1,927.81

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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.