Home / 4,937.12-7,405.70-1,239.34

Finding the Fourth Proportional to 4,937.12, 7,405.70 and 1,239.34

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Solution

The fourth proportional to 4,937.12, 7,405.70 and 1,239.34 is: 1,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.12 : 7,405.70 = 1,239.34 : x
  2. Step 2: Convert to fraction form
    4,937.12/7,405.70 = 1,239.34/x
  3. Step 3: Cross multiply
    4,937.12x = 7,405.70 × 1,239.34
  4. Step 4: Simplify right side
    4,937.12x = 9,178,180.24
  5. Step 5: Solve for x
    x = 9,178,180.24/4,937.12
  6. Step 6: Final answer
    x = 1,859.02

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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.