Home / 7,486.08-10,326.06-5,357.40

Finding the Fourth Proportional to 7,486.08, 10,326.06 and 5,357.40

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Solution

The fourth proportional to 7,486.08, 10,326.06 and 5,357.40 is: 7,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.08 : 10,326.06 = 5,357.40 : x
  2. Step 2: Convert to fraction form
    7,486.08/10,326.06 = 5,357.40/x
  3. Step 3: Cross multiply
    7,486.08x = 10,326.06 × 5,357.40
  4. Step 4: Simplify right side
    7,486.08x = 55,320,833.84
  5. Step 5: Solve for x
    x = 55,320,833.84/7,486.08
  6. Step 6: Final answer
    x = 7,389.83

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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.