Home / 7,486.65-10,331.73-4,129.71

Finding the Fourth Proportional to 7,486.65, 10,331.73 and 4,129.71

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Solution

The fourth proportional to 7,486.65, 10,331.73 and 4,129.71 is: 5,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.65 : 10,331.73 = 4,129.71 : x
  2. Step 2: Convert to fraction form
    7,486.65/10,331.73 = 4,129.71/x
  3. Step 3: Cross multiply
    7,486.65x = 10,331.73 × 4,129.71
  4. Step 4: Simplify right side
    7,486.65x = 42,667,048.70
  5. Step 5: Solve for x
    x = 42,667,048.70/7,486.65
  6. Step 6: Final answer
    x = 5,699.08

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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.