Home / 7,385.48-10,191.06-4,515.65

Finding the Fourth Proportional to 7,385.48, 10,191.06 and 4,515.65

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Solution

The fourth proportional to 7,385.48, 10,191.06 and 4,515.65 is: 6,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.48 : 10,191.06 = 4,515.65 : x
  2. Step 2: Convert to fraction form
    7,385.48/10,191.06 = 4,515.65/x
  3. Step 3: Cross multiply
    7,385.48x = 10,191.06 × 4,515.65
  4. Step 4: Simplify right side
    7,385.48x = 46,019,291.97
  5. Step 5: Solve for x
    x = 46,019,291.97/7,385.48
  6. Step 6: Final answer
    x = 6,231.05

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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.