Home / 7,420.48-10,235.68-4,903.36

Finding the Fourth Proportional to 7,420.48, 10,235.68 and 4,903.36

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Solution

The fourth proportional to 7,420.48, 10,235.68 and 4,903.36 is: 6,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.48 : 10,235.68 = 4,903.36 : x
  2. Step 2: Convert to fraction form
    7,420.48/10,235.68 = 4,903.36/x
  3. Step 3: Cross multiply
    7,420.48x = 10,235.68 × 4,903.36
  4. Step 4: Simplify right side
    7,420.48x = 50,189,223.88
  5. Step 5: Solve for x
    x = 50,189,223.88/7,420.48
  6. Step 6: Final answer
    x = 6,763.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.