Home / 7,930.12-10,943.56-4,345.08

Finding the Fourth Proportional to 7,930.12, 10,943.56 and 4,345.08

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Solution

The fourth proportional to 7,930.12, 10,943.56 and 4,345.08 is: 5,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.12 : 10,943.56 = 4,345.08 : x
  2. Step 2: Convert to fraction form
    7,930.12/10,943.56 = 4,345.08/x
  3. Step 3: Cross multiply
    7,930.12x = 10,943.56 × 4,345.08
  4. Step 4: Simplify right side
    7,930.12x = 47,550,643.68
  5. Step 5: Solve for x
    x = 47,550,643.68/7,930.12
  6. Step 6: Final answer
    x = 5,996.21

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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.