Home / 7,339.56-10,131.75-4,507.40

Finding the Fourth Proportional to 7,339.56, 10,131.75 and 4,507.40

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Solution

The fourth proportional to 7,339.56, 10,131.75 and 4,507.40 is: 6,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.56 : 10,131.75 = 4,507.40 : x
  2. Step 2: Convert to fraction form
    7,339.56/10,131.75 = 4,507.40/x
  3. Step 3: Cross multiply
    7,339.56x = 10,131.75 × 4,507.40
  4. Step 4: Simplify right side
    7,339.56x = 45,667,799.29
  5. Step 5: Solve for x
    x = 45,667,799.29/7,339.56
  6. Step 6: Final answer
    x = 6,222.14

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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.