Home / 7,377.75-11,048.40-7,040.37

Finding the Fourth Proportional to 7,377.75, 11,048.40 and 7,040.37

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Solution

The fourth proportional to 7,377.75, 11,048.40 and 7,040.37 is: 10,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.75 : 11,048.40 = 7,040.37 : x
  2. Step 2: Convert to fraction form
    7,377.75/11,048.40 = 7,040.37/x
  3. Step 3: Cross multiply
    7,377.75x = 11,048.40 × 7,040.37
  4. Step 4: Simplify right side
    7,377.75x = 77,784,823.91
  5. Step 5: Solve for x
    x = 77,784,823.91/7,377.75
  6. Step 6: Final answer
    x = 10,543.16

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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.