Home / 7,420.23-10,239.86-4,063.02

Finding the Fourth Proportional to 7,420.23, 10,239.86 and 4,063.02

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Solution

The fourth proportional to 7,420.23, 10,239.86 and 4,063.02 is: 5,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.23 : 10,239.86 = 4,063.02 : x
  2. Step 2: Convert to fraction form
    7,420.23/10,239.86 = 4,063.02/x
  3. Step 3: Cross multiply
    7,420.23x = 10,239.86 × 4,063.02
  4. Step 4: Simplify right side
    7,420.23x = 41,604,727.74
  5. Step 5: Solve for x
    x = 41,604,727.74/7,420.23
  6. Step 6: Final answer
    x = 5,606.93

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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.