Home / 7,759.31-10,707.38-4,356.07

Finding the Fourth Proportional to 7,759.31, 10,707.38 and 4,356.07

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Solution

The fourth proportional to 7,759.31, 10,707.38 and 4,356.07 is: 6,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.31 : 10,707.38 = 4,356.07 : x
  2. Step 2: Convert to fraction form
    7,759.31/10,707.38 = 4,356.07/x
  3. Step 3: Cross multiply
    7,759.31x = 10,707.38 × 4,356.07
  4. Step 4: Simplify right side
    7,759.31x = 46,642,064.58
  5. Step 5: Solve for x
    x = 46,642,064.58/7,759.31
  6. Step 6: Final answer
    x = 6,011.11

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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.