Home / 7,387.98-10,195.34-4,030.81

Finding the Fourth Proportional to 7,387.98, 10,195.34 and 4,030.81

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Solution

The fourth proportional to 7,387.98, 10,195.34 and 4,030.81 is: 5,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.98 : 10,195.34 = 4,030.81 : x
  2. Step 2: Convert to fraction form
    7,387.98/10,195.34 = 4,030.81/x
  3. Step 3: Cross multiply
    7,387.98x = 10,195.34 × 4,030.81
  4. Step 4: Simplify right side
    7,387.98x = 41,095,490.13
  5. Step 5: Solve for x
    x = 41,095,490.13/7,387.98
  6. Step 6: Final answer
    x = 5,562.48

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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.